The medium-sized spiral galaxy that is our home galaxy is called the

What is a band of colors made when white light is broken up?

True or False: Background radiation is the radiation that is left over from the beginning of the universe and is coming from all directions in space.

What are the 3 different types of galaxies? (Check the 3 correct answers)

The beginning moment when the universe was very hot and dense, resulting in a tremendous "explosion" is called the

The absorption lines that result in longer (redder) wavelengths from galaxies moving away from each other as space expands.

A spectrum is

Radiation that is left over from the beginning moments of the universe and is coming from all directions in space

True or False: The beginning moment when the universe was very hot and dense, resulting in a tiny poof of smoke was called the Little Bang.

True or False: The galaxy we live in is called the Andromeda Galaxy.

Galaxies are held together by

Which of the following is NOT a galaxy shape?

Ever since the big bang, the universe has been

What do we know about our expanding universe? (check all that apply)

A __________ galaxy is a galaxy that nearly collides with another and has an intense period of star formation.