Across
- 2. celestial bodies that orbit around a star
- 5. massive system of billions of stars
- 6. small rocky or metallic objects that orbit the sun
- 8. cloud of dust and gas in space
- 9. small rocky fragments that often group together
- 10. small icy celestial bodies that leave a trail of gas and dust
Down
- 1. rocky or metallic objects smaller than planets that orbit the sun
- 3. a glowing ball of gas in space
- 4. pieces of rocks that enter the earths atmosphere
- 7. celestial objects that emit light and heat