Across
- 1. called the red planet called olympas marr valcano
- 3. celestial object
- 4. when planets move repletely around
- 6. closest to the sun with thick atmosphere
- 8. Mercury, Venus, Earths, Mars
Down
- 2. terrestrial planet ranges in thickness mars and in composition
- 3. small blue planet
- 5. they are like in some ways
- 7. were we live made of 2/3 water