M2 Vocab

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Across
  1. 2. Difficult but interesting or rewarding to do.
  2. 5. A person trained to travel and work in space.
  3. 8. The path one object takes around another in space.
  4. 9. Large objects in space that orbit a star, like Earth or Mars.
  5. 12. Everything that exists, including stars, planets, and space.
  6. 14. A small rocky object that orbits the Sun.
  7. 15. To travel to or look at something to learn about it.
Down
  1. 1. The force that pulls things toward the ground or keeps planets in orbit.
  2. 3. To send a spacecraft or rocket into the air or space.
  3. 4. A group of people working together on a ship, plane, or spacecraft.
  4. 6. To stay alive, especially in difficult situations.
  5. 7. A man-made or natural object that orbits a planet, like the Moon or communication devices.
  6. 10. The layer of air or gas around a planet.
  7. 11. The outermost layer of something, like the ground or skin.
  8. 13. The situations or environment in which something happens.