galaxie wikipedia - EAS
- A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. The word is derived from the Greek galaxias ( γαλαξίας ), literally "milky", a reference to the Milky Way.en.wikipedia.org/wiki/Galaxy
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A galaxy is a system of stars, stellar remnants, interstellar gas, dust, dark matter, bound together by gravity. The word is derived from the Greek galaxias (γαλαξίας), literally 'milky', a reference to the Milky Way galaxy that contains the Solar System. Galaxies, averaging an estimated 100 million stars, … See more
The realization that we live in a galaxy that is one among many parallels major discoveries about the Milky Way and other nebulae.
Milky Way
Greek philosopher Democritus (450–370 BCE) proposed that … See moreGalaxies do not have a definite boundary by their nature, and are characterized by a gradually decreasing stellar density as a function of increasing distance from their center, making … See more
Tens of thousands of galaxies have been catalogued, but only a few have well-established names, such as the Andromeda Galaxy, … See more
Galaxies come in three main types: ellipticals, spirals, and irregulars. A slightly more extensive description of galaxy types based on their … See more
Interacting
Interactions between galaxies are relatively frequent, and they can play an important role in See moreMagnetic fields
Galaxies have magnetic fields of their own. They are strong enough to be dynamically important, as they:
• Drive … See moreWikipedia text under CC-BY-SA license Galaxie For Sale Near You
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