Space Crossword (MC)

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Across
  1. 2. there are a ton of solar _____
  2. 3. big red dot on Jupiter
  3. 7. a light year travels 9.5 _____ kilometres
  4. 9. we use ______ to see planets and stars
  5. 10. the ______ of the Earth is 40 000 kilometres
  6. 11. how many planets are there
Down
  1. 1. 10 tonnes of ______ hit the Earth every day
  2. 4. in the _____ hemisphere the easiest star to see is the north star
  3. 5. travels 300 000 kilometres a second
  4. 6. are a group of stars
  5. 8. ______ make up everything