Big Bang Theory Evidence Comprehension Check

Front

What is the Big Bang Theory?

Back

The Big Bang Theory is the prevailing model about the universe’s origin and is supported by observations of the universe’s expansion.

Front

What does a blue shift in a star's light indicate?

Back

A blue shift indicates that the star is moving towards the Earth.

Front

What were the original two elements in the universe?

Back

The original two elements in the universe were Hydrogen and Helium.

Front

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

Back

The 'afterglow' is known as Cosmic Microwave Background Radiation (CMBR).

Front

Which of the following is NOT evidence of the Big Bang Theory?

Back

Stars that are blue shifted are NOT evidence of the Big Bang Theory.

Front

What is Cosmic Microwave Background Radiation (CMBR)?

Back

CMBR is the thermal radiation filling the universe, a remnant from the Big Bang.

Front

What does the expansion of the universe imply?

Back

The expansion of the universe implies that galaxies are moving away from each other over time.

Front

What is redshift?

Back

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

Front

What is the significance of the abundance of Hydrogen and Helium in the universe?

Back

The abundance of Hydrogen and Helium supports the Big Bang Theory, indicating these were the first elements formed.

Front

What is the Doppler effect?

Back

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