Universe (Unit 3) Vocab

2. The process that combines smaller elements into larger elements, powering a star
3. ____ and gluons are subatomic particles produced by the big bang
6. 2 of this element combine during nuclear fusion within a regular main sequence star
7. A red supergiant will explode as a _____
8. A ______ star will turn into a red supergiant
11. In order to solve the singularity, scientists look for a theory that combines General relativity with _____ Mechanics
12. An attractive force due to the bending of spacetime
13. The waves leftover from the heat of the big bang can be found ________
17. The _____ spectrum is made up of all types of waves
20. Einstein says that gravity is the bending of ____
23. 2 of this element combine during the red giant phase of a star
25. The strength of the gravity depends on mass and ___
26. The _____ refers to something we do not yet understand, found at the start of big bang and center of black holes
27. The gravity of supermassive blackhole holds each ______ together

1. Matter is _______ through fusion because the number of subatomic particles stays the same
4. When distant stars appear more red due to the expanding universe
5. Cosmic _______ Background is long, low energy waves
9. ____'s law says that the further away a galaxy is, the faster it moves away
10. A regular star will become a red giant, then a planetary nebula, then a
14. the brightness of a star, which increases over time
15. ______'s Laws describe planetary motion (orbit)
16. Axial _____ causes Earth to experience seasons
18. After a super nova, a star turns into a neutron star or a _______
19. This type of diagram graphs luminosity and temperature, grouping stars by stage of life cycle
21. Fusion creates a larger atom and also creates this
22. orbit is shaped like an ____
24. this characteristic of a star decreases over time because some of it is converted to energy