Hycean Planets

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Across
  1. 4. Hycean planets mare mostly made up of
  2. 6. The apparatus that is launched into space to look at space is called a space _______
  3. 7. that suggests the presence of life or living things
  4. 8. These planets can reach temperature os 200 _______Celsius
  5. 10. Very small lifeforms are know as ________ lifeforms
  6. 11. NASA stands for national American space ______
Down
  1. 1. Hycean planets are ______-rich
  2. 2. A planet that bears all of the living conditions needed to live is in the __________ zone
  3. 3. Carbon is a gas that is ____________ for life
  4. 5. A person who studies celestial objects, space, and the physical universe as a whole are know as
  5. 9. The finding of something is known as the _________ of something