Across
- 5. crafts that travel through space, collecting and transmitting data back
- 6. tide occurring when Earth, moon, and sun form a 90 degree angle
- 7. occurs when Earth blocks sunlight to the moon, only happens during a full moon
- 10. one of the four planets nearest the Sun, Mercury, Venus, Earth and Mars
- 11. protects against the harmful effects of the space environment
- 12. blocking of sunlight to Earth that occurs when the moon is between the sun and Earth
- 13. large group of planets and moons that revolve around the Sun
- 15. any device that attempts to simulate the environment of space
- 16. collects light from space and magnifies images of objects
- 18. characteristics that make up the planets
- 19. any planet beyond the asteroid belt, including Jupiter, Saturn, Uranus and Neptune
Down
- 1. transport satellites and astronauts to space, reusable
- 2. layer of gases surrounding a planet, star, or moon
- 3. powerful engines that are used to send objects such as satellites and space probes into space
- 4. describes planets that are rocky and Earth-like in size
- 8. tide that occurs when Sun, Earth, and moon form a straight line
- 9. buildings that house telescopes
- 12. combination lab and apartment in space for astronauts
- 14. large planet made mostly of gases
- 17. small spacecraft, or the part of a larger one that contains the instruments or crew