Inner planets and Outer Planets

I'm doing this for school. 😓

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Across

3. a celestial object(s) that orbits a planet

6. A planet where life may have existed, but is now gone.

8. Jupiter, Saturn, Neptune, and Uranus

9. The hottest planet in the solar system due to its atmosphere

Down

1. Mercury,Venus, Earth, and Mars

2. The only known planet with life (hint: you live here)

4. Earth-like

5. gases surrounding a planet

6. HOT days and FREEZING COLD nights

7. repeated revolutions around planets

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