Big Bang Theory Vocab

4. regions of space where the density of matter, or the curvature of spacetime, becomes infinite
5. the physical interaction among electric charges, magnetic moments, and the electromagnetic field
6. the displacement of spectral lines toward shorter wavelengths
8. matter that doesn’t absorb, reflect, or emit light
10. molecules formed by atoms consisting of antiprotons, antineutrons, and positrons
11. the displacement of spectral lines toward longer wavelengths
13. A star that fluctuates in brightness and provides astronomers with a reference they can use to measure great distances in the Universe
15. energy can neither be created nor destroyed, only altered in form
16. the amount of heat present in an object

1. the effect whereby the position or direction of an object appears to differ when viewed from different positions
2. the science of the origin and development of the universe
3. an alternative term used to describe a time in the early Universe when space was filled with a high-temperature mix of radiation and particles
6. describes the expansion of the universe as the universe becoming less dense
7. the SI base unit of thermodynamic temperature
9. a pair of equal and oppositely charged or magnetized poles separated by a distance
12. an isolated bright or dark line in a spectrograph produced by the emission or absorption of light of a single wavelength
14. a region of space having a gravitational field so intense that no matter or radiation can escape