Astrology

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Across
  1. 8. Billions of years after the BB, Hydrogen and Helium gathered to form the first ________.
  2. 10. Larger atoms forming from two smaller atoms colliding while also releasing energy.
  3. 11. The farthest planet away from the sun.
  4. 12. System Millions of years planetesimals gain materials creating planets and forming a __________.
  5. 13. Large masses gaining materials in rotating disk.
Down
  1. 1. Smallest planet in our Solar System.
  2. 2. The only moon with magnetic pull.
  3. 3. The force that clumps masses in a solar nebula.
  4. 4. Clouds of dust, gas, and ice held together by gravity.
  5. 5. Energy started to slow down after the BB & transformed into _______.
  6. 6. Called "The gas giant".
  7. 7. The creator of the energy to mass formula.
  8. 9. Event caused 13.8 billion years ago from a central point of energy.
  9. 14. Planetesimals gain mass through this process
  10. 15. The amount of planets in our solar system.