Planetary Collisions

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Across
  1. 2. Due to Earth's makeup, a collision between Earth and another planet may likely have these
  2. 6. Earth's collision with a rocky planet would likely be ____ than Earth's collision with a water-rich planet
  3. 7. Rock, gas, and ____ would remain after a planetary collision
  4. 8. Both planets would ultimately still be _____
Down
  1. 1. A collision between two planets results in a new
  2. 3. Rocky planets are less dense and more ____ than water-rich planets
  3. 4. the densest planet in our solar system
  4. 5. Planetary collisions are possible because of this