Stars and Life

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Across
  1. 3. The search or study for life outside Earth.
  2. 6. Years of immense pressure and temperature
  3. 7. Constellations that never rise or set
  4. 8. Giant balls of hot gas
  5. 9. The third key ingredient to life
Down
  1. 1. Constellations that can only be seen depending on your location on Earth
  2. 2. A group of stars that appear to form a pattern or picture
  3. 4. The first key ingredient to life
  4. 5. The second key ingredient to life
  5. 10. Stars are the most fundamental building blocks of this