Big Bang Theory

Front

What does it mean that the universe is expanding?

Back

It means that all of the galaxies are spreading out, the universe must have started from a single point, and the universe is cooling down.

Front

How long does it take light from the Sun to reach Earth?

Back

8 minutes.

Front

What is the phenomenon called when galaxies move away from our galaxy and a shift on the electromagnetic spectrum is noticed?

Back

Redshift.

Front

What is the correct order for the formation of our solar system?

Back

2, 3, 4, 1.

Front

Who coined the phrase 'Big Bang'?

Back

Fred Doyle.

Front

What is the Big Bang Theory?

Back

A scientific explanation for the origin of the universe, suggesting it began from a singular point and has been expanding ever since.

Front

What evidence supports the Big Bang Theory?

Back

Cosmic Microwave Background Radiation and the observed redshift of galaxies.

Front

What is Cosmic Microwave Background Radiation?

Back

The afterglow radiation from the Big Bang, filling the universe and providing evidence of its early hot state.

Front

What is redshift?

Back

The phenomenon where light from an object moving away from us is shifted to longer wavelengths, indicating that the object is receding.

Front

What is blueshift?

Back

The phenomenon where light from an object moving towards us is shifted to shorter wavelengths, indicating that the object is approaching.