astronomy

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Across
  1. 2. A solar measurement of magnitude or gravity
  2. 6. The ability of 2 or more waves to interact in a way that they either reinforce or cancel each other out
  3. 8. 1st Law An object at rest will stay at rest until acted upon
  4. 10. The force that gravitation occurs upon a body
  5. 13. The rate of change of velocity
  6. 14. A measure of the amount of heat in an object
  7. 15. Astronomer who built an observatory, discovered a nova, and created his own theory
Down
  1. 1. Light The small range of the electromagnetic spectrum that human eyes perceive as light
  2. 3. Developed 3 Laws of Motion and the theory of gravitational pull
  3. 4. Elementary particles carrying a positive electric change a component of all atomic nuclei
  4. 5. a pattern that repeats itself cyclically in both time and space
  5. 7. Developed the Theory of Relativity
  6. 9. of Light Fastest possible speed
  7. 11. Italian astronomer who used a Dutch toy to make his own reflecting telescope; did not invent the telescope
  8. 12. The tendency of objects at action to stay in action and objects at rest to stay at rest