Across
- 1. Light: Light waves are lined up in one direction.
- 2. Hole: an object in space that pulls things in
- 4. Scientists who study space.
- 6. Field: An Invisible area that pushes or pulls charged particles.
- 7. Horizon: A Point around a black hole where nothing can escape.
- 8. Extremely dense point in space.
- 9. A Scientist who studies space forces.
- 10. A force that pulls objects.
Down
- 1. Hot charged matter.
- 3. Tiny particle of light.
- 5. Based on ideas, not yet proven.