astronomy crossword

Edit Answers
12345678910111213141516171819
Across
  1. 5. earths only natrual sattelite
  2. 7. the seventh planet from the solar system
  3. 9. the 6th planet from the sun
  4. 11. the distance light travels in one Earth year. One light-year is about 6 trillion miles
  5. 13. a system of stars
  6. 14. the 5th planet from the sun
  7. 16. object follows when it travels around another object in space
  8. 17. region of space having a gravitational
  9. 18. small, rocky objects in our solar system that orbit the Sun
Down
  1. 1. subatomic particle of about the same mass as a proton but without an electric charge
  2. 2. second planet from the sun
  3. 3. the fourth state of matter after solid, liquid, and gas,
  4. 4. the closest planet to the sun
  5. 6. fourth planet from the sun
  6. 8. universe originated from a single point and expanded rapidly
  7. 9. at the center of solar system
  8. 10. farthest known planet from the sun
  9. 12. vast, diffuse cloud of gas and dust in interstellar space
  10. 15. the planet we live on
  11. 19. fixed luminous point in the night sky which is a large, remote incandescent body like the sun.