sentences
sequence | label
int64 0
2
|
|---|---|
[
"leo is a kind of constellation & a constellation contains stars -> leo is a constellation containing stars",
" leo is a constellation containing stars & the earth revolving around the sun causes stars to appear in different areas in the sky at different times of year -> the earth revolving around the sun causes leo to appear in different areas in the sky at different times of year",
" "
] | 1 |
[
"earth is a kind of celestial object & a star is a kind of celestial object / celestial body & apparent motion is when an object appears to move relative to another object 's position -> apparent motion of stars is when stars appear to move relative to earth's position",
" apparent motion of stars is when stars appear to move relative to earth's position & the earth rotating on its axis causes stars to appear to move across the sky at night -> the earth rotating on its axis causes apparent motion of stars",
" the earth rotating on its axis causes apparent motion of stars & stars appear to move relative to the horizon during the night -> the earth rotating on its axis causes stars to move relative to the horizon during the night",
" "
] | 1 |
[
"diurnal motion is when objects in the sky appear to move due to earth 's rotation on its axis & stars appear to move relative to the horizon during the night -> stars apearing to move relative to the horizon during the night is an example of diurnal motion",
" stars apearing to move relative to the horizon during the night is an example of diurnal motion & the earth rotating on its axis causes stars / the moon to appear to move across the sky at night -> the earth rotating on its axis causes stars to appear to move relative to the horizon during the night",
" "
] | 1 |
[
"a star produces light & a source of something produces that something -> stars are a source of light",
" stars are a source of light & as a source of light becomes closer , the light will appear brighter -> as the stars become closer, the light of the stars will appear brighter",
" as the stars become closer, the light of the stars will appear brighter & the sun is the star that is closest to earth -> the sun will be the star that appears the brightest to the earth",
" "
] | 1 |
[
"a star produces light & a source of something produces that something -> stars are a source of light",
" stars are a source of light & as a source of light becomes closer , the light will appear brighter -> as the stars becomes closer, the light of the stars will appear brighter",
" the sun is the star that is closest to earth & the stars in the night sky are very far away from the earth -> the sun is closer to earth than other stars to earth",
" as the stars becomes closer, the light of the stars will appear brighter & the sun is closer to earth than other stars to earth -> the sun is brighter than other stars because the sun is closer to earth than other stars",
" "
] | 1 |
[
"more light gets reflected on highly reflective things & venus is covered in highly reflective clouds -> venus reflects more sunlight toward earth than other planets",
" venus reflects more sunlight toward earth than other planets & as the light reflected off of an object increases , the object will appear to be brighter -> venus reflecting more sunlight than other planets make it brighter than other planets",
" "
] | 1 |
[
"united states is located in the northern hemisphere & new york / new york state is a state located in the united states of america -> new york state is located in the northern hemisphere",
" new york state is located in the northern hemisphere & june is during the summer in the northern hemisphere -> june is during the summer for new york state",
" june is during the summer for new york state & the amount of daylight is greatest in the summer -> new york state has the greatest sunlight during june",
" "
] | 1 |
[
"earth 's tilt on its rotating axis causes seasons to change / to occur & when the season changes , the amount of daylight will change -> earth's tilt on its rotating axis causes the amout of daylight to change",
" "
] | 1 |
[
"alaska is a state located in the united states of america & united states is located in the northern hemisphere -> alaska is located in the northern hemisphere",
" alaska is located in the northern hemisphere & alaska is in winter season & winter is when a hemisphere is tilted away from the sun -> the northern hemisphere is tilted away from the sun when alaska is in winter",
" when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight & winter is when a hemisphere is tilted away from the sun -> a hemisphere tilting away from the sun causes the hemisphere to receive less direct sunlight",
" the northern hemisphere is tilted away from the sun when alaska is in winter & a hemisphere tilting away from the sun causes the hemisphere to receive less direct sunlight -> the northern hemisphere being tilted away from the sun causes alaska to receive less direct sunlight",
" "
] | 1 |
[
"the earth rotates on its tilted axis & earth is a kind of planet -> earth is a planet that rotates on its tilted axis",
" earth is a planet that rotates on its tilted axis & a planet rotating causes cycles of day and night on that planet -> earth rotating on its axis causes cycles of day and night on earth",
" "
] | 1 |
[
"a complete rotation of the earth on earth 's axis / itself takes 1 / one day & 1 day is equal to 24 hours -> a complete rotation of the earth takes 24 hours",
" "
] | 1 |
[
"new york state is a state located in the united states of america & when the season changes , the amount of daylight will change -> when the season changes, the amount of daylight in new york state will change",
" "
] | 1 |
[
"earth is a kind of planet & the earth rotates on its tilted axis -> earth is a planet that rotates on its tilted axis",
" earth is a planet that rotates on its tilted axis & a planet rotating causes cycles of day and night on that planet -> earth rotating on its axis causes the cycle of day and night on earth",
" "
] | 1 |
[
"summer is when a hemisphere is tilted towards the sun & the south pole is tilted toward the sun -> it is summer in south pole",
" it is summer in south pole & the south pole is located in the southern hemisphere -> it is summer in southern hemisphere",
" it is summer in southern hemisphere & the winter in the northern hemisphere is during the summer in the southern hemisphere -> it is winter in the northern hemisphere",
" florida is a state located in the united states of america & united states is located in the northern hemisphere -> florida is located in the northern hemisphere",
" it is winter in the northern hemisphere & florida is located in the northern hemisphere -> it is winter in florida",
" "
] | 1 |
[
"earth is a kind of planet & the sun is a kind of star & the earth revolves around the sun -> earth revolving the sun is an example of a planet revolving around its star",
" earth revolving the sun is an example of a planet revolving around its star & a complete revolution / orbit of a planet around its star takes 1 / one planetary year -> a complete revolution of earth around the sun takes an earth year",
" a complete revolution of earth around the sun takes an earth year & 1 year is equal to 365 days -> a complete revolution of earth around the sun takes 365 days",
" "
] | 1 |
[
"earth is a kind of planet & the earth rotates on its tilted axis -> the earth is a planet that rotates on its tilted axis",
" the earth is a planet that rotates on its tilted axis & a planet rotating causes cycles of day and night on that planet -> the earth rotating on its tilted axis causes the cycles of day and night on earth",
" the earth rotating on its tilted axis causes the cycles of day and night on earth & the cycles of day and night is when the sun rises during the day and the sun sets at night -> the earth rotating on its tilted axis causes the sun to set",
" "
] | 1 |
[
"the earth rotates on its tilted axis & earth is a kind of planet -> the earth is a planet that rotates on its tilted axis",
" the earth is a planet that rotates on its tilted axis & a planet rotating causes cycles of day and night on that planet -> the earth rotating on its tilted axis causes the cycles of day and night on earth",
" "
] | 1 |
[
"earth is a kind of planet & the earth rotates on its tilted axis -> the earth is a planet that rotates on its tilted axis",
" the earth is a planet that rotates on its tilted axis & a planet rotating causes cycles of day and night on that planet -> the earth rotating on its tilted axis causes the cycles of day and night on earth",
" "
] | 1 |
[
"earth is a kind of planet & the sun is a kind of star & the earth revolves around the sun -> earth revolving the sun is an example of a planet revolving around its star",
" earth revolving the sun is an example of a planet revolving around its star & a complete revolution / orbit of a planet around its star takes 1 / one planetary year -> a complete revolution of earth around the sun takes an earth year",
" "
] | 1 |
[
"the earth revolves around the sun & the sun is a kind of star & earth is a kind of planet -> earth revolving the sun is an example of a planet revolving around its star",
" earth revolving the sun is an example of a planet revolving around its star & a complete revolution / orbit of a planet around its star takes 1 / one planetary year -> a complete revolution of earth around the sun takes an earth year",
" "
] | 1 |
[
"the sun setting is a kind of event & the sun rising is a kind of event & the sun rising / setting occurs once per day -> the sun rising and setting is the event that occurs once per day",
" "
] | 1 |
[
"neptune is a kind of planet in the solar system & planets in the solar system orbit the sun -> neptune orbits the sun in the solar system",
" neptune orbits the sun in the solar system & furthest / farthest means greatest / most / highest in distance & neptune is the planet that is furthest to the sun in the solar system -> the distance between neptune and the sun it orbits is the greatest in the solar system",
" the distance between neptune and the sun it orbits is the greatest in the solar system & as the distance of a planet from the star it orbits increases , the length of a planetary year on that planet will increase -> neptune has the longest solar year / planetary year in the solar system",
" "
] | 1 |
[
"the north pole is located in the northern hemisphere & december is during the winter in the northern hemisphere -> the north pole will be in winter during decemeber",
" the north pole will be in winter during decemeber & it is december 22 -> it is winter in north pole on december 22",
" it is winter in north pole on december 22 & as the distance of a location from the north pole becomes smaller / closer , the amount of daylight received by that location will decrease during the winter -> the north pole will receive the least daylight during winter on december 22",
" "
] | 1 |
[
"new york state is on earth & the sun rises in the east for people on earth -> people from new york state will see the sun rise in the east",
" "
] | 1 |
[
"new york state is on earth & if a place is on earth, then that place will experience seasons -> new york state experiences seasons on earth",
" new york state experiences seasons on earth & earth 's tilt on its rotating axis causes seasons to occur -> earth's tilt on its rotating axis causes seasons to occur in new york state",
" "
] | 1 |
[
"earth rotating on its tilted axis occurs once per day & earth is a kind of planet -> the earth is a planet that rotates on its tilted axis once per day",
" the earth is a planet that rotates on its tilted axis once per day & a planet rotating causes cycles of day and night on that planet -> the earth rotating on its tilted axis causes the cycles of day and night on earth",
" "
] | 1 |
[
"a complete rotation of the earth on earth 's axis / itself takes 1 / one day & 1 day is equal to 24 hours -> a complete rotation of earth takes 24 hours",
" earth rotating on its tilted axis occurs once per day & earth is a kind of planet -> the earth is a planet that rotates on its tilted axis once per day",
" the earth is a planet that rotates on its tilted axis once per day & a planet rotating causes cycles of day and night on that planet -> the earth rotating on its tilted axis causes the cycles of day and night on earth",
" a complete rotation of earth takes 24 hours & the earth rotating on its tilted axis causes the cycles of day and night on earth -> a complete rotation of earth takes 24 hours and causes day and night",
" "
] | 1 |
[
"earth is a kind of planet & the sun is a kind of star & the earth revolves around the sun -> earth revolving the sun is an example of a planet revolving around its star",
" earth revolving the sun is an example of a planet revolving around its star & a complete revolution / orbit of a planet around its star takes 1 / one planetary year -> a complete revolution of earth around the sun takes an earth year",
" "
] | 1 |
[
"summer is when a hemisphere is tilted towards the sun & the northern hemisphere is a kind of hemisphere of earth -> northern hemisphere tilts towards the sun in summer",
" northern hemisphere tilts towards the sun in summer & when a hemisphere is tilted towards the sun , that hemisphere receives more direct sunlight -> northern hemisphere will receive more direct sunlight in summer",
" the northern hemisphere is a kind of hemisphere of earth & winter is when a hemisphere is tilted away from the sun -> northern hemisphere tilts away the sun in winter",
" northern hemisphere tilts away the sun in winter & when a hemisphere is tilted away from the sun , that hemisphere receives less direct sunlight -> northern hemisphere will receive less direct sunlight in winter",
" northern hemisphere will receive more direct sunlight in summer & northern hemisphere will receive less direct sunlight in winter -> northern hemisphere receives more direct sunlight in summer than in winter",
" northern hemisphere receives more direct sunlight in summer than in winter & receiving direct sunlight causes objects to become warm -> northern hemisphere will be warmer in summer than in winter",
" "
] | 1 |
[
"1 month is equal to 27-31 days & a complete revolution / orbit of the moon around the earth takes 1 / one month -> a complete revolution of the moon around the earth takes around 27 to 31 days",
" "
] | 1 |
[
"earth rotating on its tilted axis occurs once per day & earth is a kind of planet -> the earth is a planet that rotates on its tilted axis once per day",
" the earth is a planet that rotates on its tilted axis once per day & a planet rotating causes cycles of day and night on that planet -> the earth rotating on its tilted axis causes the cycles of day and night on earth",
" "
] | 1 |
[
"a complete rotation of the moon takes 1 / one month & rotation is the circular movement of an object around a center / axis -> a complete rotation of the moon around its axis takes one month",
" "
] | 1 |
[
"summer is when a hemisphere is tilted towards the sun & the northern hemisphere is tilted toward the sun -> the northern hemisphere is in summer",
" the northern hemisphere is in summer & the winter in the southern hemisphere is during the summer in the northern hemisphere -> the southern hemisphere is in winter",
" the southern hemisphere is in winter & australia is located in the southern hemisphere -> australia is in winter",
" "
] | 1 |
[
"1 year is equal to 12 months & a complete revolution / orbit of the earth around the sun takes 1 / one year / solar year / earth year -> a complete revolution of earth around the sun takes 12 months",
" a complete revolution of earth around the sun takes 12 months & a complete revolution / orbit of the moon around the earth takes 1 / one month -> the moon will have 12 complete revolutions around the earth after a complete revolution of earth around the sun",
" "
] | 1 |
[
"a complete rotation of the moon takes 1 / one month & the moon rotates on its axis -> a complete rotation of the moon on its axis takes one month",
" "
] | 1 |
[
"summer is when a hemisphere is tilted towards the sun & the northern hemisphere is a kind of hemisphere of earth -> the northern hemisphere will experience summer when it is tilted towards the sun",
" "
] | 1 |
[
"1 year is equal to 365 days & a complete revolution / orbit of the earth around the sun takes one year -> a complete revolution of the earth around the sun takes 365 days",
" a complete revolution of the earth around the sun takes 365 days & a complete rotation of the earth on earth 's axis / itself takes 1 / one day -> the earth will complete 365 times of rotation after a complete revolution of the earth around the sun",
" "
] | 1 |
[
"the solar system contains the moon & the moon is the celestial object that is closest to the earth -> the moon is the celestial object that is closest to the earth in the solar system",
" "
] | 1 |
[
"the stars in the night sky are very far away from the earth & as distance to an object increases , that object will appear smaller -> because the stars are very far away from the earth, they will appear a lot smaller on earth",
" "
] | 1 |
[
"a planet is a kind of celestial object / body & earth is a kind of planet -> earth is a kind of celestial object",
" earth is a kind of celestial object & a star is a kind of celestial object / celestial body & as distance from an object decreases , that object will appear larger -> as the distance from a star to earth decreases, the star will appear larger",
" as the distance from a star to earth decreases, the star will appear larger & the sun is the star that is closest to earth -> the sun will appear larger than other stars because it is the closest star to earth",
" "
] | 1 |
[
"a star produces light and heat & a source of something emits / produces / generates / provides that something -> a star is a source of light",
" a star is a source of light & as the size of a light source increases , that light will appear brighter -> as the size of the star increases, the light will appear brighter",
" "
] | 1 |
[
"stars are located light years apart from each other & light year is a measure of the distance light travels in one year -> the distance between stars are measured in light years",
" the distance between stars are measured in light years & the sun is a kind of star & proxima centauri is a kind of star -> the distance between the sun and proxima centauri is measured in light years",
" "
] | 1 |
[
"stars are located light years apart from each other & light years ly are an astronomy unit used for measuring length / distance generally used for values between 1 and 27000000000 -> light year is used to measure the distance between stars",
" "
] | 1 |
[
"light year is a measure of the distance light travels in one year & an object is 10 light years from earth -> the distance between the object and the earth is equal to the distance light can travel in 10 years",
" "
] | 1 |
[
"light years ly are an astronomy unit used for measuring length / distance generally used for values between 1 and 27000000000 & stars are located light years apart from each other -> light year is used to measure the distance between stars",
" "
] | 1 |
[
"the new moon is when the moon is in between the sun and the earth & the new moon is when the dark half of the moon faces the earth -> the new moon is when the moon could block the earth from the sun",
" the new moon is when the moon could block the earth from the sun & a solar eclipse is when the moon blocks the earth from the sun -> a solar eclipse could only happen during the new moon",
" "
] | 1 |
[
"if the earth is in between the sun and the moon, then the earth can block the light on the moon & the full moon is when the earth is in between the sun and the moon -> the full moon is when the earth can block the light on the moon",
" the full moon is when the earth can block the light on the moon & an object blocking light causes a shadow -> the full moon is when the earth can cause a shadown on the moon",
" the full moon is when the earth can cause a shadown on the moon & a lunar eclipse is formed by earth 's shadow falling on the moon -> the full moon is when a lunar eclipase can happen",
" "
] | 1 |
[
"a galaxy is held together by gravity & a galaxy is made of stars -> a galaxy is made of stars that is held together by gravity",
" a galaxy is made of stars that is held together by gravity & a galaxy is a kind of very large system of stars -> a galaxy is a large system of stars that is held together by gravity",
" "
] | 1 |
[
"galaxies often contain hundreds of billions of stars & galaxies are usually thousands of light years in diameter & galaxies are located millions of light years from earth -> galaxies often contains billions of stars, and are located millions of light years from earth, and are thousands of light years in diameter",
" galaxies often contains billions of stars, and are located millions of light years from earth, and are thousands of light years in diameter & a galaxy is a kind of celestial body / celestial object & a celestial object has 200 billion stars, 30 million light years from earth, and 500 light years in diameter -> the objects being described are galaxies",
" "
] | 1 |
[
"spiral is a kind of shape & galaxies can be classified by shape -> spiral galaxy is a type of galaxy",
" spiral galaxy is a type of galaxy & the milky way is spiral in shape & the milky way is a kind of galaxy -> the milky way is a kind of spiral galaxy",
" "
] | 1 |
[
"a galaxy contains dusts / stars / planets & if something contains something else, then that something is made of that something else -> a galaxy is made of dusts, stars, and planets",
" a galaxy is made of dusts, stars, and planets & a galaxy is held together by gravity -> a galaxy is made of dusts, stars, and planets held together by gravity",
" "
] | 1 |
[
"a space telescope captured images of star clusters that contains billions of stars & galaxies often contain hundreds of billions of stars -> the star cluster that captured by the space telescope is a galaxy",
" "
] | 1 |
[
"a halo is a part of a galaxy & the milky way is a kind of galaxy -> a halo is part of the milky way",
" a halo is part of the milky way & a halo contains mostly old stars -> the halo is the part of the milky way that contains mostly old stars",
" "
] | 1 |
[
"a galaxy is a kind of structure & the milky way is a kind of galaxy -> the milky way is a kind of strucutre",
" the milky way is a kind of strucutre & the sun is located in the milky way galaxy -> the sun is located in the structure called milky way galaxy",
" "
] | 1 |
[
"galaxies often contain hundreds of billions of stars & a galaxy is a kind of structure -> galaxies are the structure that contain hundreds of billions of stars",
" "
] | 1 |
[
"if an object reflects light toward the eye then that object can be seen & a moon is a kind of celestial object / celestial body -> if the moon reflects light toward the eye then the moon can be seen",
" eyes are part of a human for seeing & there are humans on earth -> humans on earth can see through their eyes",
" if the moon reflects light toward the eye then the moon can be seen & humans on earth can see through their eyes & the moon reflects sunlight towards the earth -> the moon can be seen by the humans on earth",
" "
] | 1 |
[
"the moon reflects sunlight towards the earth & the moon orbits the earth -> the moon reflects sunlight towards the earth and it orbits the earth",
" the moon reflects sunlight towards the earth and it orbits the earth & a moon is a kind of satellite -> the moon is a satellite that reflects sunlight towards the earth and orbits the earth",
" the moon is a satellite that reflects sunlight towards the earth and orbits the earth & the solar system contains the moon -> the moon is the satellite in the solar system that reflects sunlight towards the earth and orbits the earth",
" "
] | 1 |
[
"the moon 's surface contains flat areas & the lunar / moon 's surface contains many craters & the moon 's surface contains highlands -> the surface of the moon contains flat areas, highlands, and craters",
" "
] | 1 |
[
"the earth 's surface contains many craters & the lunar / moon 's surface contains many craters -> both the moon's surface and the earth's surface contain many craters",
" "
] | 1 |
[
"drier means lower in amount of water / wetness / moisture & the moon has less water / air than the earth -> the moon is drier than the earth",
" "
] | 1 |
[
"earth has air & the moon has no air on it -> the difference between the earth and the moon is that the moon has no air on it",
" "
] | 1 |
[
"mars is a kind of planet & phobos orbits mars -> phobos orbits the planet mars",
" phobos orbits the planet mars & moons orbit planets -> phobos is a kind of moon",
" "
] | 1 |
[
"light reflecting off of an object causes that object to be visible to the observer & the moon reflects sunlight towards the earth & a moon is a kind of celestial object / celestial body -> the moon reflecting sunlight towards the earth cause the moon to be visible to the observer",
" "
] | 1 |
[
"a dwarf planet usually is much smaller in size / in mass than other planets & pluto is a kind of dwarf planet -> pluto is a dwarf planet that has much smaller mass than other planets",
" pluto is a dwarf planet that has much smaller mass than other planets & a dwarf planet is a kind of celestial object -> pluto is a celestial object that has much smaller mass than other planets",
" pluto is a celestial object that has much smaller mass than other planets & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> pluto will have much less gravity than other planets",
" "
] | 1 |
[
"our sun is located at the center of our solar system & our solar system is located at the edge of the milky way galaxy -> our sun is located at the center of a solar system that is at the edge of the milky way galaxy",
" "
] | 1 |
[
"a star is a kind of celestial object / celestial body & a star produces light and heat -> a star is a celestial object that produces light and heat",
" a star is a celestial object that produces light and heat & the sun is the star that is closest to earth -> the sun is the celestial object that produces light and heat and is closest to earth",
" "
] | 1 |
[
"a candle is a source of light when it is burned & a source of something emits / produces / generates / provides that something -> a candle produces light when it is burned",
" a candle produces light when it is burned & a star produces light and heat -> both candles and stars produce light",
" "
] | 1 |
[
"plasma is formed by electrons separating from atoms in stars & electrons are pulled away from atoms in a star by high temeprature -> plasma will be formed by high temperature pulling electrons away from atoms",
" plasma will be formed by high temperature pulling electrons away from atoms & plasma is a kind of state of matter -> plasma is the state of matter that is formed by high temperature pulling electrons away from atoms",
" "
] | 1 |
[
"the sun is located near the edge of the milky way galaxy & the sun is average in size for a star in our galaxy -> the sun is an average sized star located near the edge of the milky way galaxy",
" the sun is an average sized star located near the edge of the milky way galaxy & average is similar to medium -> the sun is an medium sized star located near the edge of the milky way galaxy",
" "
] | 1 |
[
"a source of something emits / produces / generates / provides that something & a star is a source of light / light energy through nuclear reactions -> a star emits light through nuclear reactions",
" a star emits light through nuclear reactions & a star is a kind of celestial object / celestial body -> a star is a celestial body that emits light through nuclear reactions",
" a star is a celestial body that emits light through nuclear reactions & astronomical is similar to celestial -> a star is an astronomical body that emits light through nuclear reactions",
" "
] | 1 |
[
"the formation of something is a kind of process & nuclear fusion causes star formation & if something causes a process then that something is required for that process -> nuclear fusion is required for star formation",
" nuclear fusion is required for star formation & if something requires something else then that something else is important to that something -> nuclear fusion is important to star formation",
" "
] | 1 |
[
"the sun is a kind of yellow dwarf & a yellow dwarf is a kind of main sequence star -> the sun is a kind of main sequence star",
" the sun is a kind of main sequence star & alpha mensae is a kind of main sequence star -> the sun and alpha mensae are both main sequence star",
" "
] | 1 |
[
"a yellow dwarf is a kind of main-sequence star & the sun is a kind of yellow dwarf -> the sun is a kind of main-sequence star",
" the sun is a kind of main-sequence star & red giant stars are greater in volume than main sequence stars -> red giant stars are greater in volume than the sun",
" "
] | 1 |
[
"stars are mostly made of hydrogen and helium & stars generally have the same chemical composition -> stars generally have the same chemical composition of hydrogen and helium",
" "
] | 1 |
[
"the sun is a kind of star & hydrogen is the most common element in stars -> hydrogen is the most common element in the sun",
" "
] | 1 |
[
"nuclear fusion is a kind of process & nuclear fusion in a star 's core generates energy for stars to burn / shine -> nuclear fusion is the process in a star's core that generates energy for the star",
" nuclear fusion is the process in a star's core that generates energy for the star & the sun is a kind of star -> nuclear fusion is the process in a star's core that generates energy for the sun",
" "
] | 1 |
[
"classifying is when one sorts something by kind / type & stars can be classified by temperature, color, and brightness -> stars with different temperature, color, brightness will be classified into different types",
" stars with different temperature, color, brightness will be classified into different types & stars change type during their life cycles -> stars will change in temperature, color, and brightness during their life cycles",
" "
] | 1 |
[
"nuclear fusion in a star 's core generates energy for stars to burn / shine & the sun is a kind of star -> nuclear fusion in the core of the sun generates energy for the sun",
" nuclear fusion in the core of the sun generates energy for the sun & nuclear fusion converts hydrogen into helium -> the nuclear fusion in the core of the sun converts hydrogen into helium",
" "
] | 1 |
[
"the sun is a kind of star & nuclear fusion happens in the core of a star -> nuclear fusion happens in the core of the sun",
" nuclear fusion happens in the core of the sun & the core is a kind of layer of the sun -> nuclear fusion happens in the core layer of the sun",
" "
] | 1 |
[
"blue stars are the hottest in temperature & blue is a kind of color -> stars that are blue in color are hottest in temperature",
" "
] | 1 |
[
"earth is a kind of planet & the mass of a planet causes the pull of gravity on that planet -> the mass of the earth causes the pull of gravity on earth",
" "
] | 1 |
[
"a solid object is taken from earth into space & the force of gravity is different in space from the force of gravity on earth -> the force of gravity on the solid object will change",
" the force of gravity on the solid object will change & as the force of gravity changes , the weight of the object will change -> the weight of the solid object will change",
" "
] | 1 |
[
"as the mass of a celestial object decreases , the surface gravity of that celestial object weakens & as the force of gravity decreases , the weight of the object will decrease -> as the mass of a celestial object decreases, the weight of an object on that celestial object will decrease",
" as the mass of a celestial object decreases, the weight of an object on that celestial object will decrease & the earth has more mass than the moon -> an object weighs more on earth than on the moon because earth has more mass than the moon",
" an object weighs more on earth than on the moon because earth has more mass than the moon & less is the opposite of more -> an object will weigh less on the moon than on the earth because the moon has less mass than the earth",
" an object will weigh less on the moon than on the earth because the moon has less mass than the earth & a hammer is a kind of object -> a hammer will weigh less on the moon than on earth becasue the moon has less mass than the earth",
" "
] | 1 |
[
"a rocket is a kind of object & the rocket escapes the gravitational pull of earth & earth is a kind of planet -> the rocket escaping the gravitational pull of earth is an example of an object escaping the gravitational pull of a planet",
" the rocket escaping the gravitational pull of earth is an example of an object escaping the gravitational pull of a planet & if an object escapes the gravitational pull of a planet, then the force of gravity on that object will change -> the force of gravity on the rocket changes when it escapes the gravitational pull of earth",
" the force of gravity on the rocket changes when it escapes the gravitational pull of earth & as the force of gravity changes , the mass of the object will stay the same -> the mass of the rocket will stay the same after the rocket escapes the gravitational pull of earth",
" the force of gravity on the rocket changes when it escapes the gravitational pull of earth & as the force of gravity changes , the weight of the object will change -> the weight of the rocket will change after the rocket escapes the gravitational pull of earth",
" the mass of the rocket will stay the same after the rocket escapes the gravitational pull of earth & the weight of the rocket will change after the rocket escapes the gravitational pull of earth -> the mass of the rocket will stay the same and the weight of the rocket will change after the rocket escapes the gravitational pull of earth",
" "
] | 1 |
[
"earth is a kind of planet & mars is a kind of planet & earth is greater in mass than mars -> earth is a planet that has a greater mass than the planet mars",
" earth is a planet that has a greater mass than the planet mars & as mass of a planet / of a celestial body increases , the force of gravity on that planet will increase -> the force of gravity on earth will be greater than on mars",
" the force of gravity on earth will be greater than on mars & as the force of gravity increases , the weight of objects will increase -> objects will weigh more on earth than on mars because the force of gravity is greater on earth than on mars",
" "
] | 1 |
[
"mars is a kind of planet & earth is a kind of planet & earth is greater in mass than mars -> earth is a planet that has a greater mass than the planet mars",
" earth is a planet that has a greater mass than the planet mars & as mass of a planet increases , the force of gravity on that planet will increase -> the force of gravity on earth will be greater than on mars",
" the force of gravity on earth will be greater than on mars & as the force of gravity decreases , the weight of the object will decrease -> objects will weigh less on mars than on earth because the force of gravity is less on mars",
" the force of gravity on earth will be greater than on mars & gravitational force is similar to force of gravity & the gravitational force of a planet does not change the mass of an object on that planet or celestial body -> objects will have the same mass on earth and on mars",
" objects will weigh less on mars than on earth because the force of gravity is less on mars & objects will have the same mass on earth and on mars -> objects will weigh less and have the same mass on mars than on earth",
" the mars rover is a kind of vehicle & a vehicle is a kind of object -> the mars rover is a kind of object",
" objects will weigh less and have the same mass on mars than on earth & the mars rover is a kind of object -> the mars rover will weigh less and have the same mass on mars than on earth",
" "
] | 1 |
[
"the gravitational force of a celestial object does not change the mass of an object on that planet or celestial body & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> as the mass of celestial object decreases, the mass of the object on the celestial object will stay the same",
" as the mass of a celestial object decreases , the surface gravity of that celestial object weakens & as the force of gravity decreases , the weight of the object will decrease -> as the mass of a celestial object decreases, the weight of an object on that celestial object will decrease",
" the earth has more mass than the moon & a moon is a kind of celestial object & earth is a kind of celestial object -> earth as a celestial object has more mass than the moon as a celestial object",
" earth as a celestial object has more mass than the moon as a celestial object & less is the opposite of more -> the moon as a celestial object has less mass than earth as a celestial object",
" as the mass of celestial object decreases, the mass of the object on the celestial object will stay the same & as the mass of a celestial object decreases, the weight of an object on that celestial object will decrease & the moon as a celestial object has less mass than earth as a celestial object -> an object will weigh less but have the same mass on the moon than on earth",
" an object will weigh less but have the same mass on the moon than on earth & a rocket is a kind of object -> the rocket will weigh less but have the same mass on the moon than on earth",
" "
] | 1 |
[
"as the force of gravity decreases , the weight of the object will decrease & as the mass of a celestial object decreases , the surface gravity of that celestial object weakens -> as the mass of a celestial object decreases, the weight of an object on that celestial object will decrease",
" as the mass of a celestial object decreases, the weight of an object on that celestial object will decrease & the earth has more mass than the moon -> an object weighs more on earth than on the moon because earth has more mass than the moon",
" an object weighs more on earth than on the moon because earth has more mass than the moon & less is the opposite of more -> an object will weigh less on the moon than on the earth because the moon has less mass than the earth",
" an object will weigh less on the moon than on the earth because the moon has less mass than the earth & an astronaut is a kind of object -> an astronaut will weigh less on the moon than on earth because the moon has less mass than the earth",
" "
] | 1 |
[
"getting information sometimes requires observing / observation & a telescope is used for observing stars by astronomers -> getting information about stars requires using a telescope",
" getting information about stars requires using a telescope & a computer is used for communication / finding information -> a telescope and a computer can be used to getting information about stars and communicate the information",
" "
] | 1 |
[
"a moon is a kind of celestial object / celestial body & detailed observation of celestial objects requires a telescope & a planet is a kind of celestial object / celestial body & a star is a kind of celestial object / celestial body -> detailed observation of planets, stars, and moons requires a telescope",
" "
] | 1 |
[
"as light pollution increases , seeing the stars will be harder & a telescope is used for observing stars -> as light pollution increases, using telescope to see the stars will be harder",
" as light pollution increases, using telescope to see the stars will be harder & as distance to a city decreases , the amount of light pollution will increase -> as distance to a city decreases, the increased light pollution will make using telescope to see stars harder",
" "
] | 1 |
[
"making discoveries requires observing & a telescope is used for observing the sky by astronomers -> making discoveries about the sky requires using a telescope to observe the sky",
" "
] | 1 |
[
"using a telescope to photograph solar events requires a light filter & a solar flare is a kind of solar event & a solar prominence is a kind of solar event -> using a telescope to photograph a solar prominence and a solar flare requires a light filter",
" "
] | 1 |
[
"a telescope is used for observing planets & venus is a kind of planet -> a telescope can be used for observing venus",
" a telescope can be used for observing venus & venus has moon-like phases -> a telescope can be used to observe the moon-like phases of venus",
" "
] | 1 |
[
"an optical telescope requires visible light for human to use & clouds / dusts block visible light -> if there is clouds or dusts, then the optical telescope cannot be used",
" if there is clouds or dusts, then the optical telescope cannot be used & radio telescopes can see through clouds and dust -> the radio telescopes can still be used when there is clouds or dusts",
" "
] | 1 |
[
"detailed observation of celestial objects requires a telescope & if something is required for something else then that something allows that something else -> telescopes allow the detailed observation of celestial objects",
" telescopes allow the detailed observation of celestial objects & a planet is a kind of celestial object / celestial body -> telescopes allow the detailed observation of planets",
" "
] | 1 |
[
"a moon phase occurs 28 days after the last time it occurred & a full moon is a kind of phase of the moon -> a full moon will occur 28 days after the last time it occurs",
" a full moon will occur 28 days after the last time it occurs & 1 month is equal to 28-31 days -> a full moon will occur after 1 month it occurs",
" "
] | 1 |
[
"the new moon is when the dark half of the moon faces the earth & a new moon is a kind of phase of the moon & the new moon is when the lighted half of the moon faces the sun -> the moon phase where the lighted half of the moon faces the sun and dark half of the moon faces the earth is called new moon",
" "
] | 1 |
[
"each of the moon 's phases occurs once per month & a full moon is a kind of phase of the moon -> a full moon occurs once per month",
" "
] | 1 |
[
"the new moon is when the dark half of the moon faces the earth & the dark half of the moon is not visible -> new moon is when the moon cannot be seen",
" new moon is when the moon cannot be seen & a new moon is a kind of phase of the moon & a student cannot observe the moon in the clear night sky on feburary 21 -> the student observes a new moon phase on feburary 21",
" the student observes a new moon phase on feburary 21 & a moon phase occurs 28 days after the last time it occurred -> the next new moon will occur 28 days after feburary 21",
" the next new moon will occur 28 days after feburary 21 & 28 days after feburary 21 is march 21 -> the next new moon will occur on march 21",
" "
] | 1 |
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