Across
- 2. The galaxy we live in.
- 4. A massive explosion before a massive star enters its final phase.
- 6. The final destination for a sun like star.
- 7. An object so massive, not even light can escape its gravity.
- 8. Known as natural lighthouses.
Down
- 1. The time it takes for something to rotate.
- 3. A type of momentum of a spinning object.
- 5. A place in the universe which gives birth to new stars.