The Universe Review

Front

What are the two most abundant elements in stars when they are young?

Back

Hydrogen and Helium.

Front

What is the name of our galaxy?

Back

The Milky Way galaxy.

Front

What evidence supports the theory of universal expansion?

Back

Redshift and star composition (hydrogen and helium).

Front

What two factors affect gravity?

Back

Mass and distance.

Front

What is a celestial body that is composed of gas and emits light from nuclear fusion reactions?

Back

Star.

Front

What is the process by which stars generate energy?

Back

Nuclear fusion.

Front

What is the term for the force that attracts two bodies towards each other?

Back

Gravity.

Front

What is the observable phenomenon where light from distant galaxies shifts towards the red end of the spectrum?

Back

Redshift.

Front

What is the name of the theory that explains the origin of the universe?

Back

The Big Bang Theory.

Front

What is a large system of stars, gas, and dust bound together by gravity?

Back

Galaxy.