Understanding the Big Bang Theory

Front

Big Bang Theory

Back

Explanation of the universe's origin from a singular point

Front

Redshift

Back

Evidence of universe expansion; light stretches to longer wavelengths

Front

Cosmic Microwave Background (CMB)

Back

Radiation left over from the early universe

Front

Nucleosynthesis

Back

Formation of new atomic nuclei in the early universe

Front

Hubble's Law

Back

closer galaxies are moving slower, farther galaxies are moving away faster

Front

Dark Matter

Back

Unseen matter affecting galaxy rotation and structure

Front

Dark Energy

Back

Mysterious force causing accelerated expansion of the universe

Front

Observable Universe

Back

Part of the universe we can see, limited by light travel time

Front

Primordial Soup

Back

Hot, dense mixture of particles after the Big Bang

Front

Expansion of Space

Back

Increase in distance between parts of the universe over time