Term
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Definition
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Term
| What % makes up the atmosphere? |
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Definition
78% of gas in nitrogen
21% of oxygen
.9% of argon |
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Term
| Aphelion and how far from sun? |
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Definition
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Term
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Definition
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Term
| Perihelion & how far from sun |
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Definition
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Term
| what is the Hubble telescope? |
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Definition
| The light hubble sees today may have taken many years to reach us, carrying the story of events that happened in the distant past. |
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Term
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Definition
| The state of the atmosphere mainly with respect to its effects on life and human activities. |
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