BY LETTER
Galaxy
 Image from Steve Bowers | |
| The Triangulum Galaxy | |
A gravitationally bound collection of stars, dust, and gas with a mass ranging from 100 million to 10 billion times that of the sun. Types include spiral, elliptical, and irregular.
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- Andromeda Galaxy
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- Galactic Heritage Institute
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- Galactic Information Bank
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- Galaxy, Irregular - Text by M. Alan Kazlev
A galaxy of amorphous or chaotic appearance, possessing large clouds of gas and dust, and both Population I and Population II stars, but no spiral arms or nucleus. They are thought to result from a collision with a larger galaxy, pulling them out of shape. Most have relatively low mass (about a hundred million to ten billion stars). About 25% of all galaxies are irregular. - Galaxy, Spiral - Text by M. Alan Kazlev
A disk-shaped galaxy with a spiral pattern of arms, typically containing 1010 or more solar masses of stars, dust, and gas. - Interstellar Econometrics
- Milky Way
- Triangulum Transmission
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Development Notes
Text by M. Alan Kazlev
Initially published on 01 November 2001.
Initially published on 01 November 2001.
