Across
- 2. the planet we live on
- 3. an attempt to find out about something
- 4. an arrangement of stars as seen from Earth
- 6. the only star in out solar system
- 7. a huge object in space that gives off hear and light
- 8. a period of time that is 24 hours long and includes daytime and nighttime
- 10. a scientist who studies stars, planets, and other objects in the universe
- 11. to move in a regular path around something
Down
- 1. something we observed to be similar over and over again
- 5. a building or special place that is used to observe stars, planers, and other objects in the universe
- 9. the length of time it takes for Earth to orbit that sun once
- 11. to use any of the five senses to gather information about something