Formation of the Solar System Article Questions

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What is a Protostar?

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A Protostar is a star that is in the early stages of formation, before it has started nuclear fusion.

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What do accretion disk materials form?

Back

Accretion disk materials form planeteismals, which are small bodies that can become planets.

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What process turns on a star?

Back

Nuclear Fusion is the process that turns on a star, allowing it to shine.

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What might happen to planets in the future according to some scientists?

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Planets might get pulled toward passing stars.

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How much of the material did the Sun consume during its formation?

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The Sun gobbled up 99% of the material in its vicinity.

Front

What is Nuclear Fusion?

Back

Nuclear Fusion is the process where two atomic nuclei combine to form a heavier nucleus, releasing energy.

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What are planeteismals?

Back

Planeteismals are small celestial bodies that can collide and stick together to form planets.

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What is an accretion disk?

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An accretion disk is a rotating disk of dense gas and dust surrounding a newly formed star.

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What is a Supernova?

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A Supernova is a powerful explosion that occurs at the end of a star's life cycle.

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What is a Black Hole?

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A Black Hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape.