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