Space

1234567
Across
  1. 1. The substance in lights that is on the periodic table
  2. 4. fastest spacecraft
  3. 6. farthest man made object from earth
  4. 7. biggest man made spacecraft
Down
  1. 2. most successful and recent space mission
  2. 3. which country has done the first space program
  3. 5. biggest star in the universe