Across
- 2. The force that pulls objects toward each other in space.
- 5. A place in space where gravity is so strong that not even light can escape.
- 6. A very young star that is still forming from gas and dust.
- 7. Tiny particles in space that float between stars and help form new stars.
- 9. A huge cloud in space where stars can form.
Down
- 1. A giant explosion that happens when a star dies.
- 3. A large, cooler star that has expanded after using up much of its fuel.
- 4. The small, hot core left behind after a star like the Sun runs out of fuel.
- 8. An extremely dense star made mostly of neutrons after a massive star collapses.