Question

galaxies are held together by gravity.
spiral galaxies
sentence stem:
a spiral galaxy has _________________________ and forms new stars.
example: _________________________

Explanation:

Spiral galaxies are defined by their distinct flat, spinning disk structure with winding spiral arms, which contain dense clouds of gas and dust that enable new star formation. The Milky Way, our home galaxy, is the most well-known example of a spiral galaxy.

Answer:

A spiral galaxy has a flat, rotating disk with spiral arms and forms new stars.
Example: The Milky Way