Universe (Unit 3) Vocab

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Across
  1. 2. The process that combines smaller elements into larger elements, powering a star
  2. 3. ____ and gluons are subatomic particles produced by the big bang
  3. 6. 2 of this element combine during nuclear fusion within a regular main sequence star
  4. 7. A red supergiant will explode as a _____
  5. 8. A ______ star will turn into a red supergiant
  6. 11. In order to solve the singularity, scientists look for a theory that combines General relativity with _____ Mechanics
  7. 12. An attractive force due to the bending of spacetime
  8. 13. The waves leftover from the heat of the big bang can be found ________
  9. 17. The _____ spectrum is made up of all types of waves
  10. 20. Einstein says that gravity is the bending of ____
  11. 23. 2 of this element combine during the red giant phase of a star
  12. 25. The strength of the gravity depends on mass and ___
  13. 26. The _____ refers to something we do not yet understand, found at the start of big bang and center of black holes
  14. 27. The gravity of supermassive blackhole holds each ______ together
Down
  1. 1. Matter is _______ through fusion because the number of subatomic particles stays the same
  2. 4. When distant stars appear more red due to the expanding universe
  3. 5. Cosmic _______ Background is long, low energy waves
  4. 9. ____'s law says that the further away a galaxy is, the faster it moves away
  5. 10. A regular star will become a red giant, then a planetary nebula, then a
  6. 14. the brightness of a star, which increases over time
  7. 15. ______'s Laws describe planetary motion (orbit)
  8. 16. Axial _____ causes Earth to experience seasons
  9. 18. After a super nova, a star turns into a neutron star or a _______
  10. 19. This type of diagram graphs luminosity and temperature, grouping stars by stage of life cycle
  11. 21. Fusion creates a larger atom and also creates this
  12. 22. orbit is shaped like an ____
  13. 24. this characteristic of a star decreases over time because some of it is converted to energy