Big Bang Theory Flashcards
law
rule that correctly describes a natural phenomenon
spectrum
sunlight passing through glass prism producing a rainbow
wavelength
distance from crest of one light wave to the next
bright line spectrum
series of colored lines showing what color each element produces when heated at certain temperatures. indicates that the light source is sending out only certain wavelengths of light.
Doppler effect
the apparent shift in the wavelengths of energy emitted by an energy source moving away or toward an observer.
spectroscope
splits starlight into a spectrum of different colors and wavelengths.
Big Bang theory
universe was compressed into a tiny spot, then it exploded and created everything. evidence: red shift of galaxies, background radiation.
theory
hypothesis which has been tested and is supported by experimentation.