Big Bang Vocab

2. faint, nearly uniform radiation filling the universe
4. the wavelength of the light is stretched, so the light is seen as 'shifted' towards the red part of the spectrum.
9. acclaimed American avant-garde theater director,
10. the prevailing scientific model explaining that the universe began approximately 13.8 billion years ago
11. the fundamental capacity to do work, existing in potential (stored) and kinetic (motion) forms.
12. The visible light spectrum is the narrow segment of the electromagnetic spectrum detectable by the human eye
13. to be as many as 100 billion to 2 trillion galaxies in the universe
15. German-born theoretical physicist
16. generally refers to two distinct concepts: a physical phenomenon in astronomy where light from an object moving toward an observer shifts to shorter (blue) wavelengths
18. pioneering American astronome

1. an instrument that splits light (or other radiation) into its component wavelengths to record a spectrum
3. all existing matter, energy, and space.
5. the entire range of light radiation, spanning from low-energy
6. the scientific study of celestial objects (stars, planets, galaxies, black holes
7. English astronomer and mathematician
8. German-American astrophysicist
14. colorless, odorless, non-toxic noble gas with the lowest boiling point of any element
17. (\(H_{2}\)) is the lightest and most abundant element in the universe, constituting