Alien's Strike Back

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Across
  1. 1. Burning rock
  2. 3. Floating picture transmitter
  3. 4. A sky full of stars
  4. 6. The man who discovered gravity
  5. 8. Beeedoooo. Green monster in the sky
Down
  1. 2. BLAST OFF!!!!!
  2. 3. WOOSHHH. A place with no gravity
  3. 5. Hmmmmm. A space occupation
  4. 7. bling bling! twinkle twinkle...