Big Bang Theory Evidence

Front

What were the original two elements in our universe?

Back

Hydrogen and Helium

Front

What is the 'afterglow' of the energy from the origin of the universe that we see today?

Back

Cosmic microwave radiation

Front

What does the Big Bang Theory explain the formation of?

Back

Universe

Front

What is the term for the motion of an object moving away from Earth, indicated by a redshift in its absorption spectra?

Back

Redshift

Front

What does it mean if two stars are moving away from us?

Back

Both stars are exhibiting redshift.

Front

What is the significance of cosmic microwave background radiation?

Back

It provides evidence for the Big Bang Theory and shows the universe's early state.

Front

What is the Doppler effect?

Back

The change in frequency or wavelength of a wave in relation to an observer moving relative to the wave source.

Front

What is redshift?

Back

The phenomenon where light from an object moving away from an observer is shifted to longer wavelengths.

Front

What is blueshift?

Back

The phenomenon where light from an object moving towards an observer is shifted to shorter wavelengths.

Front

What evidence supports the Big Bang Theory?

Back

Cosmic microwave background radiation, redshift of galaxies, and abundance of light elements.