Across
- 1. Pollution: Man-made light that disrupts the natural light cycle is known as... (5, 9)
- 5. Earth has 4 of these during the year
- 8. I: The first satellite in space
- 9. We travelled to the moon in a...
- 10. II: The second spacecraft sent to Mars
- 11. The... has been expanding since the Big Bang
- 13. Cassiopeia is a ... in the Northern Hemisphere
- 15. Mars is one, so is Saturn
- 16. Probes: A series of 8 spacecraft missions (7, 6)
- 18. A... eclipse occurs when the moon passes into the Earth's shadow
- 19. Phases: A waning gibbous is one of the... (5, 6)
Down
- 2. ... Space Telescope is a large telescope launched by NASA
- 3. The... program was a group of rocket-powered flights, also the name of the planet closest to the sun
- 4. A... eclipse occurs when the sun is obscured by the moon
- 6. The Moon is in ... around the Earth
- 7. What is the name of the theory that Copernicus proposed about the arrangement of our solar system?
- 8. We have a summer and winter...
- 12. The name of the home for astronauts in space (acronym)
- 14. Occurs when the Earth crosses the Celestial Equator
- 17. System: Ours has 8 planets (5, 6)