Vocab
Across
- 3. a region of space having a gravitational field so intense that nothing can escape
- 6. a tool designed to make distant objects appear closer and bigger
- 7. Every particle in the universe attracts each other with a gravitational force
- 10. a cloud of gas and dust in outer space
- 11. how close something in space seems/looks to be
- 12. the branch of science that deals with space and the universe
Down
- 1. the full range of all electromagnetic radiation, organized by wavelength, frequency, and energy
- 2. the stretching of light's wavelength, telling us that something in space is moving away from us
- 4. the most widely accepted theory about how the universe came to be
- 5. a group of stars that create a recognizable pattern or image
- 8. a system of billions of stars, gas, and dust, held together by gravity
- 9. when two atomic nuclei combine