Solar System

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Across
  1. 5. THE NAME OF EARTH'S MOON
  2. 6. THE 8TH PLANET FROM THE SUN
  3. 9. AN AREA BETWEEN MARS AND JUPITER MADE UP OF SMALL ROCKY OBJECTS
  4. 10. THE 2ND PLANET FROM THE SUN
  5. 12. THE 3RD PLANET FROM THE SUN
  6. 13. THE 7TH PLANET FROM THE SUN
  7. 15. FORCE THAT HOLDS OUR SOLAR SYSTEM TOGETHER
  8. 16. A MEASUREMENT ON AN OBJECT THAT DEPENDS ON THE AMOUNT OF GRAVITY ACTING ON THAT OBJECT
  9. 17. THE 4TH PLANET FROM THE SUN
  10. 18. THE 6TH PLANET FROM THE SUN
  11. 19. A CIRCULAR OR ELLIPTICAL PATH AROUND A CENTRAL BODY
  12. 20. THE NUMBER OF ATOMS IN AN OBJECT
Down
  1. 1. UNIT OF WEIGHT
  2. 2. A CELESTIAL BODY THAT ORBITS A STAR
  3. 3. THE 5TH PLANET FROM THE SUN
  4. 4. THE TENDENCY FOR AN OBJECT TO RESIST CHANGE
  5. 7. THE FACTOR IN DETERMINING THE STRENGTH OF GRAVITY (NOT MASS)
  6. 8. THE 1ST PLANET FROM THE SUN
  7. 11. EVERYTHING IN EXISTENCE IN SPACE
  8. 14. OUR LOCAL NEIGHBORHOOD OF CELESTIAL BODIES
  9. 15. UNIT OF MASS
  10. 21. THE NAME FOR OUR STAR THAT ALL OUR PLANETS ORBIT