Difference between revisions of "Galaxy"
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(Not all galaxies have centers that could have black holes.) |
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[[Image:NGC .jpg|right|thumb|350px|The majestic spiral galaxy NGC 4414, imaged by the [[Hubble Space Telescope]] in 1995.]] | [[Image:NGC .jpg|right|thumb|350px|The majestic spiral galaxy NGC 4414, imaged by the [[Hubble Space Telescope]] in 1995.]] | ||
| − | A '''galaxy''' is a massive ensemble of hundreds of millions of stars and planets, all interacting through the gravitational force, orbiting around a common center.<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> The universe contains hundreds of millions of galaxies. Some scholars theorize that the center of | + | A '''galaxy''' is a massive ensemble of hundreds of millions of stars and planets, all interacting through the gravitational force, orbiting around a common center.<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> The universe contains hundreds of millions of galaxies. Some scholars theorize that the center of some larger galaxies are super massive [[blackhole|blackholes]]. |
==References== | ==References== | ||
Revision as of 03:55, April 12, 2007
The majestic spiral galaxy NGC 4414, imaged by the Hubble Space Telescope in 1995.
A galaxy is a massive ensemble of hundreds of millions of stars and planets, all interacting through the gravitational force, orbiting around a common center.[1] The universe contains hundreds of millions of galaxies. Some scholars theorize that the center of some larger galaxies are super massive blackholes.
References
- ↑ Wile, Dr. Jay L. Exploring Creation With Physical Science. Apologia Educational Ministries, Inc. 1999, 2000