Term
| What is the theory of orgin? |
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Definition
| Infinite speck incredibly hot and dense that expanded |
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Term
| What is the structure of the milky way? |
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Definition
| Is a barred spiral galaxy containing over 400 billion stars |
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Term
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Definition
| Is 100,000 ly across, and 1,000 lightyears thick |
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Term
| The Milky way is located in |
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Definition
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Term
| What are Jupiter's moons? |
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Definition
| Io, Europa, Ganymede, Callisto. |
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Term
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Definition
| is a small rocky body orbiting th esun |
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Term
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Definition
| A small body of matter from outer space that enters the earth's atmosphere, appearing as a streak of light. |
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Term
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Definition
| A small body moving in the solar system that would become a meteor if it entered the earth's atmosphere. |
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Term
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Definition
| A meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground. |
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