Across
- 4. collection of stars. dust, amd gas
- 5. part of space that has a gravity that nothing can escape out of
- 7. a wavelength moving away from the Earth
- 9. a space cloud of gas and dust
- 10. when a giant star runs out of nuclear fuel
- 11. Scientific theory of how the universe started
- 12. sequence part of the life cycle of a star our sun is in
Down
- 1. Wavelengths
- 2. The radiation left after the big bang
- 3. a tool that lets us see things in space
- 6. - the stage that stars going to after no longer having any nuclear fuel
- 8. study of the universe