Across
- 3. Cluster of stars that form a image
- 5. A planet's orbit that's within the asteroid belt
- 8. Stars fusing its hydrogen into helium
- 10. Large round astronomical body that is not a star nor it's remnant
- 11. Small rocky,icey or metallic body that orbits the sun or other stars
- 12. Small body that goes throughout space (would become meteor if it enters earth's atmosphere)
Down
- 1. Release of charged particles from the sun that can hit earth
- 2. Collection of Millions of billions of dust, gas and stars
- 4. Remains of a star's core after a supernova
- 6. A planet's orbit that's outside the asteroid belt
- 7. The star at the centre of our galaxy
- 9. Explosion of a star