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What is a meteoroid?

Back

A meteoroid is a small rocky or metallic body in outer space, smaller than an asteroid, that can become a meteor when it enters the Earth's atmosphere.

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What is the universe?

Back

The universe is all of space and everything in it, including stars, planets, galaxies, and all forms of matter and energy.

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What is an asteroid?

Back

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

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What is a comet?

Back

A comet is a small icy body that, when passing close to the Sun, heats up and releases gases, forming a glowing coma and a tail.

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What causes a comet's tail to become visible?

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A comet's tail becomes visible due to the Sun's heat, which causes the comet to release gas and dust.

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What is the difference between a meteoroid, meteor, and meteorite?

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A meteoroid is a small rock in space, a meteor is the streak of light produced when a meteoroid enters the Earth's atmosphere, and a meteorite is a meteoroid that survives its passage through the atmosphere and lands on Earth.

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What is the asteroid belt?

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The asteroid belt is a region of space between the orbits of Mars and Jupiter where most asteroids are found.

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What is a galaxy?

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A galaxy is a massive system of stars, star clusters, dust, and gas bound together by gravity.

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What is a solar system?

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A solar system is a collection of planets and other celestial bodies that orbit a star.

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What is the role of the Sun in the solar system?

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The Sun is the central star of the solar system, providing light and heat that allows life to exist on Earth.