Solar System

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Across
  1. 2. so hot it can melt metals such as lead
  2. 4. has a thin exosphere
  3. 5. atmosphere is mostly made up of nitrogen.
Down
  1. 1. has a century old storm called "The Big Red Spot"
  2. 3. yellow dwarf
  3. 4. has 2 moons named Phobos and Deimos.