Astronomy 2020

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Across
  1. 1. The moon phases we see when 3/4th of the moon is showing.
  2. 3. The scientist that came up with gravity and inertia.
  3. 4. The planet that is red.
  4. 7. The earth ____ around the sun once each year.
  5. 10. The earth has day and night because it ____ on its axis.
  6. 11. What eclipse occurs when the Moon is in between the Sun and the Earth? (HINT: you saw this one)
  7. 12. The scientist that took careful observations for over 20 years.
  8. 14. The changing angles of the Sun, Moon, and Earth cause the moon to change?
  9. 16. A Greek scientist that believed in geocentric theories.
  10. 17. The innermost layer of the Sun’s atmosphere, we see it as light.
  11. 18. The planet with the large rings.
  12. 19. The theory that everything revolves around the earth.
  13. 24. The largest planet.
  14. 25. The planet with the greatest temperature change, this is also the closest planet to the Sun.
  15. 26. The planet with 70% water.
  16. 27. The planet that has a thick layer of poisonous atmosphere making it appear always cloudy.
  17. 29. the scientist that was good at math and show that the orbits of the planets were ellipses.
  18. 32. The tide with the greatest difference between low and high, occurs during a full and new moon.
  19. 33. The line that runs thru the earth at a 23.5-degree angle.
  20. 34. The scientist that came up with the idea of heliocentric.
  21. 35. When the Earth is neither tilted towards or away from the sun we in Nebraska have what season(HINT: we are in this
  22. 38. The planet we found using math.
  23. 39. When the earth has rotated 1 time on its axis how much time has passed?
  24. 41. The nuclear reaction that creates energy on the sun by combining two hydrogen atoms into one helium atom.
  25. 42. The Earth has seasons because it is ____ on its axis.
  26. 43. The scientist that proved heliocentric,
Down
  1. 1. The name for the outer planets
  2. 2. The theory that everything revolves around the sun.
  3. 5. The gases that shoot out of the sun.
  4. 6. How many months does it take for the Earth to revolve around the sun once?
  5. 8. The middle layer of the Sun’s atmosphere, we see it as color.
  6. 9. The tide with the least difference between low and high occurs during a quarter moon phase.
  7. 13. The halo around the sun, the outer layer of the Sun’s atmosphere.
  8. 15. The cooler dark spots on the Sun.
  9. 20. The two forces that keep the planets orbiting around the sun.
  10. 21. The moon phase we see when 1/4th of the moon is showing.
  11. 22. What eclipse occurs when the Earth is in between the Sun and the Moon?
  12. 23. Loops of gas that connect sunspots on the surface of the sun.
  13. 28. The planet that rotates on its side.
  14. 30. The moon phase we see when half of the moon is showing.
  15. 31. The main characteristic of all the inner planets.
  16. 32. now?
  17. 36. The pull of the moon's ____ is what causes the tides on earth.
  18. 37. When the Earth is tilted towards the sun Nebraska has what season?
  19. 40. The center of the sun.