The Solar System

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Across
  1. 2. This object is no longer considered to be a planet.
  2. 4. Jupiter is composed mostly of _________.
  3. 6. When air in the atmosphere is warmed, air pressure ____.
  4. 8. The temperature in Earth's _________ is estimated to be as high as 7500 K.
  5. 9. This object is at the center of the Solar System
Down
  1. 1. Uranus' blue color is a result of this gas in the atmosphere.
  2. 3. Earth is the only planet known to support _________.
  3. 5. Lumps of rocks circling in a broad band between the orbits of Mars and Jupiter.
  4. 6. The atmosphere of Venus is mostly carbon _________.
  5. 7. A meteor that is burning up in the Earth's atmosphere is called a __________ star.