The Known Universe

Edit Answers
123456789
Across
  1. 4. belt /a ring of space junk halfway through our solar system
  2. 5. /A star which suddenly flares up to many times its original brightness before fading again.
  3. 6. / a mass object orbiting earth
  4. 7. /"invisible" planet
  5. 8. /When our view of one object in the sky is blocked by either another object or the Earth's shadow.
Down
  1. 1. /planet closely related to earth
  2. 2. /word for unknown beings
  3. 3. /the amount of planets in our solar system
  4. 4. /surrounds planets
  5. 9. /what our sun is