Across
- 4. the boundary black holes; the point of no return
- 6. a curved path of a celestial body around a planet, star or moon
- 8. formation of new atomic nuclei
- 10. widely believed theory of the universes origins
- 12. celestial body that orbits around a star
- 14. synonymous to celestial; similar to cosmos
- 15. a proton of neutron generally in the nucleus
- 16. microwaves and radio waves are forms of this
Down
- 1. found on the periodic table
- 2. Referred to as the cosmos
- 3. cloud of gas and dust developing into a star
- 5. a self luminous stellar body
- 7. has a black hole in its center
- 8. Plural to nucleus
- 9. visible clouds of dust and gas in interstellar space
- 11. relating to stars/star
- 13. natural satellite