Solar system

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What is the solar system?

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The solar system is a collection of celestial bodies, including the Sun, planets, moons, asteroids, comets, and meteoroids, that are bound by gravity.

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NGSS.MS-ESS1-3

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What are the inner planets?

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The inner planets are Mercury, Venus, Earth, and Mars. They are small, rocky, and located closer to the Sun.

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What are the outer planets?

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The outer planets are Jupiter, Saturn, Uranus, and Neptune. They are larger, mostly gas giants, and located farther from the Sun.

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What is a comet?

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A comet is a small celestial body made of ice, dust, and rocky material that, when close to the Sun, develops a glowing coma and tail.

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What is an asteroid?

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An asteroid is a small rocky body that orbits the Sun, primarily found in the asteroid belt between Mars and Jupiter.

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What is the difference between a planet and a star?

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A planet is a celestial body that orbits a star and does not produce its own light, while a star is a massive, luminous sphere of plasma that generates light and heat through nuclear fusion.

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What is the asteroid belt?

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The asteroid belt is a region in space located between the orbits of Mars and Jupiter, containing numerous small rocky bodies.

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NGSS.MS-ESS1-3

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Which planet has the shortest day?

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Jupiter has the shortest day of all the planets, completing a rotation on its axis in about 10 hours.

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What is the Kuiper Belt?

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The Kuiper Belt is a region of the solar system beyond Neptune, populated with small icy bodies and dwarf planets like Pluto.

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NGSS.MS-ESS1-3

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What is a moon?

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A moon is a natural satellite that orbits a planet. Earth has one moon, while other planets have multiple moons.

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