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Article: Catching Andromeda's light.(Andromeda Galaxy and Milky Way)
- Article from:
- Highlights for Children
- Article date:
- December 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 Highlights for Children, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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[ILLUSTRATION OMITTED]
The Andromeda Galaxy is the closest giant galaxy to our own. By observing Andromeda, astronomers have learned a lot about our Galaxy, the Milky Way.
A Spiral Galaxy
In 1887, Isaac Roberts, an astronomer in Wales, discovered that Andromeda is a spiral galaxy--the most beautiful type. He made his discovery by photographing the galaxy. Unlike the eye, photographs can collect dim light for hours. Then they show faint things that the eye can't see.
What about the Milky Way Galaxy? People wondered whether it was a spiral, too. But they couldn't tell. We live in the Milky Way, so we can't see it from the outside.
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