Keep Up Course #1

123456789
Across
  1. 2. this really hot object is in the center of the solar system
  2. 3. something small we put in space to learn more
  3. 4. all the planets and sun are here
  4. 6. the fifth planet from the sun
  5. 9. the planet that we live in
Down
  1. 1. this person goes to space to learn more about it
  2. 3. you see many of these at night, there’s too many to count
  3. 5. big rock in space, if it moves fast it becomes a comet
  4. 7. people ride this to go to space, it’s so fast
  5. 8. the biggest planet in the solar system