SPACE

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Across
  1. 1. The planet known for its red surface (4 letters)
  2. 2. A spacecraft that launches into space (6 letters)
  3. 6. A person who travels in space (9 letters)
  4. 7. A satellite in space used for communication (9 letters)
Down
  1. 1. The celestial body that orbits Earth (4 letters)
  2. 3. Our planet, the third from the Sun (5 letters)
  3. 4. A small icy object that travels through space (5 letters)
  4. 5. A fiery ball of gas in the sky (3 letters)
  5. 6. A visitor from another planet (5 letters)