Term
| Why is there an asteroid belt? |
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Definition
| orbital resonance with Jupiter disrupted the orbits of planetesimals, which prevented them from accreting into planets |
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Term
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Definition
remnants from the solar nebula
--> some are stony with pure metallic flakes |
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Term
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Definition
metal rich, resembling the cores of terrestrial planets
or
rocky, some with volcanic composition, resembling the mantle or crust of a terrestrial planet |
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Term
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Definition
icy leftovers from planet formation
orbit far away from the Sun |
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Term
| How is a comet's plasma tail caused? |
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Definition
when a comet gets too close to the Sun, its nucleus heats up and ice in its buildup sublimates into gas and dust
-->escaping particles cause meteor showers |
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Term
| Where do meteorites come from? |
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Definition
| pieces of asteroids that fall from the sky |
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Term
| Where do meteors come from? |
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Definition
| a flash of light falling from a comet's plasma tail |
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