 |
Homepage for educators and developers |
|
Teaching tools |
|
Astronomy basics |
|
E/PO resources |
Teaching tools > Pictures & facts > Overview: Andromeda Galaxy facts > Fast Facts: Andromeda Galaxy
| Name | Andromeda Galaxy, M31, NGC 224 |
| Description | A spiral galaxy that is estimated to contain as many as a trillion stars |
| Age | The oldest known stars are 13 billion years old |
| Location | Found in the Andromeda constellation, northern celestial hemispher |
| Distance from Earth |
Approximately 2.5 million light-years away |
| Size | 140,000 light-years in width |
 |
A ground-based image of the Andromeda Galaxy.
|
Teaching tools > Pictures & facts > Overview: Andromeda Galaxy facts > Fast Facts: Andromeda Galaxy