Summary 1

2. amount of time the earth rotates around the sun in a year
3. Number of minutes it would take for us to know if the sun supernova'd
6. The distance covered by light in a year
9. Scale to represent our solar system
11. created by ice breaking off and scattering light.
12. What the orgins of the universe is described as
13. Small rock object that orbits stars
14. A natural object that orbits a planet that can be created from planet matter or captured asteroids.
16. percent of stars we can no longer see
17. a large region that provides raw materials for stars to form, this region contains dust and gas
20. A large object that is formed from the remnants of a star's accretion disk that orbits a star
21. planet that would take 4.4 hours (in light travel time) to get to

1. meteoroid or asteroid that survives a trip to earth
4. small object made of ice,dust and rock that orbits stars
5. A streak of light in the sky produced by a meteoroid entering the atmosphere on its own
7. A black hole and the star systems that orbit it.
8. Reduces the history of the universe into a single year
10. The study of the universe, celestial objects and overall space.
15. Anything beyond our Earths atmosphere
18. Can be curved and stretched by gravity and is a volume where matter and energy are able to exist.
19. A ball of gas and plasma that generates light and heat that is formed in a nebula.