sci Final

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Across
  1. 2. a celestial body orbiting the earth or another planet
  2. 3. What is the thing that NASA is known for?
  3. 6. A model that has the sun as the center
  4. 8. When the moon is fully lit at night due to the suns rays
  5. 10. A planet that is smaller than a normal planet
  6. 13. Also known as the dark side of the moon
  7. 14. A ________ occurs when the moon is on the same side of Earth as the sun (Is a moon phase)
  8. 15. A natural object which is located outside of Earth's atmosphere
  9. 17. a cylindrical projectile that can be propelled to a great height or distance by the combustion of its contents, used typically as a firework or signal
  10. 19. he fact or phenomenon of light, radio waves, etc
  11. 21. The path that a celestial object follows when in orbit
  12. 23. The layer of plasma that surrounds the sun
  13. 28. Mercury, Venus, Earth and Mars are all considered ____________________
  14. 30. A person sent into space to explore
Down
  1. 1. A station in space
  2. 4. A model where the earth is in the center of our universe
  3. 5. ____ and Yaw
  4. 7. the throwing back by a body or surface of light
  5. 9. a tide just after the first or third quarters of the moon when there is least difference between high and low water
  6. 11. A ____________ occurs when the Moon passes through the Earth's shadow
  7. 12. a conclusion reached on the basis of evidence and reasoning
  8. 16. the outer part of an umbra
  9. 18. the dark central part of a sunspot
  10. 20. Somthing that is caused by the moons gravitational pull
  11. 22. The earths_____ causes seasons
  12. 24. The star that gives the earth light
  13. 25. Institutes and Centers that support major astronomical facilities have
  14. 26. The organization that is one of the main leaders in space exploration
  15. 27. The force that holds us down to the earth
  16. 29. The vast unknown area outside the earths atmosphere