Astronomy Choice Board Project

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Across
  1. 4. large objects made of dust and ice that orbit the Sun
  2. 5. An extremely bright and distant object powered by a supermassive black hole at the center of a galaxy.
  3. 7. model depicting the sun is at the center
  4. 10. model depicting earth is at the center
  5. 11. made geocentric model
  6. 12. Center of the Solar System
  7. 14. small, rocky objects that orbit the Sun and sometimes collide with planets
Down
  1. 1. A planet located outside our solar system that orbits a star.
  2. 2. Closest planet to the sun
  3. 3. italian philosopher and discovered 4 moons revolving Jupiter
  4. 6. made heliocentric model
  5. 8. Created the 3 laws of motion
  6. 9. A cloud of gas and dust in space, often the birthplace of stars.
  7. 12. A powerful explosion of a star, marking the end of its life cycle.
  8. 13. A massive system of stars, stellar remnants, interstellar gas, and dark matter, bound together by gravity.