Across
- 2. observations or measurements recorded
- 4. the pull between Earth and objects
- 6. an arrangement of stars as seen from Earth
- 8. scientist who studies stars and planets
- 9. to find out about something
Down
- 1. time it takes for Earth to orbit the sun
- 2. 24 hours long and day and night
- 3. to move in a regular path
- 5. to be similar over and over again
- 7. how or why something happens