Across
- 1. huge explosion of a star at the end of its life (6 letters)
- 2. study of space and stars (10 letters)
- 4. force that keeps planets in orbit around the sun (6 letters)
- 5. center of our solar system (6 letters)
- 7. planet is known for its large red spot (6 letters)
Down
- 1. planet is known for its rings (7 letters)
- 3. closest star to Earth (7 letters)
- 4. term for the force that pulls objects toward the Earth (9 letters)
- 6. WAY. The galaxy we live in (8 letters) MARS-The red planet (4 letters)