Term
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Definition
| Warming of the atmosphere because of trapped heat energy from the sun. |
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Term
| What are the four inner planets? |
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Definition
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Term
| Describe the planet Mercury |
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Definition
Mercury-Closest to the sun. It is the fastest moving planet. Completes an entire revolution of the sun in 88 Earth days (365/1 year for Earth to revolve around the sun). Mercury rotates slowly (One day on Mercury is equal to about 59 Earth days).
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Term
| Describe the planet Venus |
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Definition
Venus- Next closest to the sun. Named after the goddess of love and beauty. It is the hottest and brightest planet. It rotates in the opposite direction. It takes a long time for Nenus to rotate. A day on Venus is equal to 243 Earth days.
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Term
| Describe the planet Earth |
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Definition
- Earth has a mild surface temperature that changes very little
- Earth has a dense (thick) protective atmosphere
- It is the only planet to have liquid water on its surface
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Term
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Definition
- Mars is the fourth planet from the Sun
- It is reddish in color
- Mars has two small moons
- Colder than Earth because it is farther from the sun
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