Exploration

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Across
  1. 2. A biological community of interacting organisms and their physical environment
  2. 3. The ground under the sea
  3. 5. The expanse that separates planets, stars, asteroids, galaxies...
  4. 6. A cylindrical projectile that can be propelled to a great height
  5. 7. Fact, information, and skills acquired through experience
Down
  1. 1. An unpiloted device sent to explore space and gather scientific information
  2. 3. Based on or characterized by the methods and principles of science
  3. 4. The finding or uncovering of something