The Big Bang Theory Review

Front

What is the Cosmic Microwave Background (CMB) Radiation?

Back

The remaining energy from the Big Bang.

Front

What does the Big Bang Theory describe?

Back

The prevailing model about the universe’s origin, supported by observations of the universe’s expansion.

Front

What is the Big Bang Theory?

Back

A theory that states the universe began as a small point that expanded rapidly about 13.7 billion years ago.

Front

What is a galaxy?

Back

A large grouping of stars, planets, gas, and dust in space held together by gravity.

Front

What does a red shift in distant galaxies indicate?

Back

It is evidence that the universe is expanding.

Front

What is the significance of the Big Bang Theory in cosmology?

Back

It provides a scientific explanation for the origin and evolution of the universe.

Front

What is the age of the universe according to the Big Bang Theory?

Back

Approximately 13.7 billion years.

Front

What is the role of gravity in galaxies?

Back

Gravity holds together the stars, planets, gas, and dust within a galaxy.

Front

What evidence supports the Big Bang Theory?

Back

Observations of cosmic microwave background radiation and the red shift of distant galaxies.

Front

What is the difference between a galaxy and the universe?

Back

A galaxy is a collection of stars and matter, while the universe encompasses all galaxies and space.