Earth, Moon & Sun

Edit Answers
123456789101112131415161718
Across
  1. 2. an eclipse when the moon is completely dark
  2. 4. a planet outside our solar system
  3. 6. the nearly circular path a smaller object, like the moon, travels around a larger object, like Earth
  4. 7. the star that is the main source of light at the cneter of our solar system
  5. 9. the shape of the illuminated part of the moon as it appears from Earth
  6. 10. a moon phase that looks like a half-circle from Earth
  7. 13. to shine light on an object and make it visible
  8. 15. a moon outside our solar system
  9. 16. a moon phase in which the moon is not visible from Earth
  10. 17. a rocky sphere that travels around a planet
  11. 18. system that includes the sun, the planets that orbit the sun and other objects that orbit the sun
Down
  1. 1. a moon phase that looks like a full circle
  2. 3. the amount of time it takes for a planet to complete one orbit around a star or stars
  3. 5. something we observe to be similar over and over again
  4. 7. the relative size of things
  5. 8. a moon phase that looks like less than half a circle from Earth
  6. 11. a moon phase that looks like more than half a circle from Earth
  7. 12. the border between light and dark on the moon
  8. 14. an object,diagram or computer program that helps us understand something