1							2		3
4												5
																				6
7
																8
	9
										10				11
12
13							14						15
16												17
								18

Across 4. growing outwards 5. the attraction or force between two objects 7. anything that has both mass & volume, takes up space 9. a specific place or position with a view 11. mass per a unit's volume 12. equation that recession velocity between galaxies & earth is = to their distance away 14. dense matter that is only found in space 16. anything that is without beginning or end 17. study of the universe & humanity's place on it 18. distance that light travels in one year (299,792,458 meters per second)

Down 1. the part of the universe that humans are able to observe from earth, approx. 93 billion light years 2. theory of how the universe began 3. anything that is not defined as matter, especially vast in outer space 6. part of matter that takes many forms, such as sound, heat, light, chemical 8. any observable occurrence, usually an extraordinary event 10. form of energy found throughout space & responsible for expansion of universe 13. everything that physically exists through space & time 15. basic unit of matter