The big bang theory Flashcards
Bayonic matter is ____.
Ordinary matter
Has gravity but doesn’t emit light.
Dark matter
A source of anti gravity, and the force that makes the universe expand.
Dark energy
The cosmos composition splits.
4.9% baryonic matter
68.3% Dark energy
26.8% Dark matter
0.001% Radiation
An evidence of the big bang theory that states that the wavelength of the light is stretched, so the light is seen as ‘shifted’ towards the red part of the spectrum
Redshift
The radiation left over from the birth of the universe, provided the strongest possible evidence that the universe expanded from an initial violent explosion, known as The Big Bang
Cosmic Microwave Backround or CMB
I cosmology, a view that the universe is always expanding but maintaining a constant average density.
Steady State Theory
who and when was redshift
Edwin Hubble 1929
who and when cmb
Arno Penzias and Robert Woodrow Wilson 1964
Who and when big bang theory
Georges Lemaitre 1931 primeval atom
qho and when steady state theory
Hermann Bondi, Thomas Gold, Fred Hoyle 1948