Expansion of the Universe-Best One

Front

What is Cosmic Microwave Background radiation?

Back

Evidence of a large expansion in the universe leaving radiation behind.

Front

If an object is moving toward us, its spectrum will experience what shift?

Back

Blue shift.

Front

Who discovered that the galaxies were moving away from one another?

Back

Edwin Hubble.

Front

How should students use balloons to demonstrate the expanding universe model?

Back

Each balloon should be inflated more so that they are all increasing in size.

Front

What is the distance light can travel in 1 year called?

Back

Light Year.

Front

What does the term 'red shift' refer to in astronomy?

Back

The phenomenon where light from an object moving away from us shifts to longer wavelengths.

Front

What is the significance of Edwin Hubble's discovery?

Back

It provided evidence for the expansion of the universe.

Front

What is the Big Bang Theory?

Back

A scientific explanation that the universe began from a singular point and has been expanding ever since.

Front

What is a galaxy?

Back

A massive system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.

Front

What is dark energy?

Back

A mysterious force that is causing the acceleration of the universe's expansion.