Across
- 3. They were sent instead of humans to planets that are dangerous for humans
- 7. is a system used for transporting materials and astronauts into space.
- 8. Are small rocky celestial bodies that orbit the sun
- 9. The first one was invented by Dutch eyeglass maker in 1608
- 10. Are pieces of rock floating through space at high speeds
- 11. acts as a sall spaceship, providing oxygen to breath.
Down
- 1. Send data from space via radio.
- 2. Planets A celestial body that orbits the sun and is generally smaller than a planet
- 4. When it is in earths orbit,it is literally falling around Earth
- 5. Often referred to as "dirty snowballs"composed of ice rock and gas
- 6. They're know as nature satellites