The Center of Our Solar System

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Across
  1. 2. Star at the center of our solar system
  2. 5. Italian Astronomer who confirmed heliocentrism with a telescope
  3. 6. Formed from clumps of dust and gas orbiting the sun
  4. 7. The Sun is about this far through its supply of hydrogen
  5. 8. Astronomer who described the laws of planetary motion
  6. 9. Polish Astronomer who supported heliocentrism
  7. 10. This part of the sun is about 27 million degrees Farenheit
  8. 11. Scientist who described the law of gravity
  9. 13. The shape of each planet's orbit
Down
  1. 1. Process that powers the sun and other stars
  2. 3. The Sun accounts for 98% of this in the solar system
  3. 4. Belief that the sun is the center of the universe
  4. 12. Tool Galileo used to observe the skies