Introduction to Astronomy

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Across
  1. 3. An object that breaks white light into ROYGBIV
  2. 5. This depends on the force of gravity and will be different on each planet.
  3. 6. If mass increases the force of gravity ____________.
  4. 7. The strength of this force is based on mass and distance
  5. 10. The top of a wave.
  6. 12. How much matter has gravity?
  7. 14. Radiation that emits heat.
  8. 15. What produced all 7 forms of radiation?
  9. 17. The path one object takes around another.
  10. 18. A graph that shows a range of emitted or absorbed light that tells information about the object.
  11. 20. Earth's seasons are caused by its...
  12. 21. Objects too far from the sun to not orbit it, the pull is too ______.
  13. 23. What is the amount of matter in an object?
  14. 28. Low frequency = Long
  15. 29. A star's brightness measured to a standard distance
  16. 30. The electromagnetic spectrum is all existing forms of...
  17. 31. What has the strongest gravitational pull in our solar system?
  18. 33. What orbits planets?
  19. 34. The colors of visible light
  20. 36. As you move along the spectrum, left to right, the wavelengths decrease in…
  21. 37. All electromagnetic waves have the same…
  22. 38. How many minutes in the past is the light we see from the sun?
  23. 40. If distance increases the force of gravity ___________.
  24. 42. A star's brightness seen from Earth.
  25. 43. A measurement of distance between two objects.
  26. 44. The bottom of the wave.
  27. 45. The unit used to measure frequency.
Down
  1. 1. The Ozone layer protects us from what type of radiation?
  2. 2. What is the unit of measure for the distance light travels in a year?
  3. 4. Radiation that is seen in supernovas.
  4. 8. Gravity is a force that is between objects, what word describes this force?
  5. 9. Gravity is a powerful force that holds the entire _______________ together.
  6. 11. What shape is the typical orbit?
  7. 13. The total amount of energy emitted per second.
  8. 16. The highest energy light waves are...
  9. 19. The lowest energy light waves are...
  10. 20. Earth does this on an axis of 23.5 degrees
  11. 22. A repeating pattern of motion that transfers energy.
  12. 24. What force pulled dust and gas together to form the solar system?
  13. 25. The number of waves that pass a point in one second.
  14. 26. Earth's day and night is caused by its...
  15. 27. Gravity pulls objects in and around Earth toward the _________ of earth.
  16. 32. What does our solar system orbit?
  17. 34. Eight planets in our solar system do this around the sun
  18. 35. A force only present on Earth that acts against gravity.
  19. 38. High frequency = Increasing
  20. 39. A balance of speed and direction results in...
  21. 41. The height of a wave indicating a change from resting point or baseline.