In a red shift, the wavelengths of light become --

A galaxy that is shaped like a pinwheel is a ---

The big bang theory helps explain the --

A galaxy that may vary in shape from nearly spherical to flat; does not have arms.

A galaxy that is moving toward the Earth will show --

A galaxy is --

A constellation is --

It’s gravity is so great that light cannot escape it; the core of a supermassive star that remains after a supernova is a --

The birthplace of stars that it is made up of gas and dust is called a --

A galaxy that does not have any specific shape is a ---

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