Galaxy Notes
A galaxy is a grouping of stars, gases, and dust held together by gravity.
Clusters: Galaxies that travel together.
Our cluster is called the Local Group.
The Milky Way is a spiral galaxy.
Types of Galaxies:
- Spiral
- Elliptical
- Irregular
Clusters: Galaxies that travel together.
Our cluster is called the Local Group.
The Milky Way is a spiral galaxy.
Types of Galaxies:
- Spiral
- Elliptical
- Irregular
Spiral Galaxy like the Milky Way. Our galaxy cannot be photographed because no one has ever gotten out.
-Characterized by a bulge at the center and spiral arms
- Spiral shape caused by the rotation of the galaxy
-Characterized by a bulge at the center and spiral arms
- Spiral shape caused by the rotation of the galaxy
Irregular Galaxy
-No definite shape
- Do not fit into any other category
-No definite shape
- Do not fit into any other category