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  1. The following is a list of notable galaxies . There are about 51 galaxies in the Local Group (see list of nearest galaxies for a complete list), on the order of 100,000 in the Local Supercluster, and an estimated 100 billion in all of the observable universe. [1]

    • How Do Galaxies Get Their names?
    • Galaxy Names
    • Who Named The Galaxies
    • List of Names of Other Celestial Objects

    By our best estimates, there are more than 125 billion galaxies in the observable universe. It would be a daunting task to assign a name to all of them. Only the most prominent galaxies, or the ones that are closer to our own, receive proper names. The rest only receive a designation based on the catalog you are looking at, their position in the sk...

    We have compiled a complete list of all the galaxies that have proper names and the meaning of each and are ordered alphabetically. We have also included some of their other designations and, where possible, the constellation they can be found at if you want to observe them through a telescope. Unlike constellations that have had names since the ti...

    Galaxies that receive proper names were generally named by the astronomers who discovered them. In modern times, with so many new galaxies being discovered every day, it is no longer practical for new objects or galaxies to receive proper names, so they are mostly named only with alphanumeric designations. The official catalogs are maintained and o...

    If you didn’t find the names you were looking for in this list, try our other lists of names for other celestial objects. Stars and constellations tend to have more interesting names than galaxies. 1. List of star names 2. List of constellation names 3. List of comet names 4. List of moon names 5. List of baby names inspired by space and astronomy

  2. Galaxy clusters are gravitationally bound groupings of galaxies, numbering from the hundreds to the tens of thousands. This is an alphabetically ordered list of selected galaxies and galaxy clusters. (See also astronomy; cosmology; list of stars; nebula; protogalaxy; star cluster; supercluster.) galaxies

    • The Editors of Encyclopaedia Britannica
  3. science.nasa.gov › universe › galaxiesGalaxies - NASA Science

    Explore All Galaxy Stories. Galaxies consist of stars, planets, and vast clouds of gas and dust, all bound together by gravity. The largest contain trillions of stars and can be more than a million light-years across.

  4. science.nasa.gov › universe › galaxiesTypes - NASA Science

    Galaxy Types. Types of Galaxies. Scientists sometimes categorize galaxies based on their shapes and physical features. Other classifications organize galaxies by the activity in their central regions – powered by a supersized black hole – and the angle at which we view them. Spiral Galaxies.

  5. hubblesite.org › science › galaxiesGalaxies | HubbleSite

    31 de ene. de 2024 · Galaxies are vast cosmic islands of stars, gas, dust, and dark matter held together by gravity. Hubble’s keen eye has revealed intricate details of the shapes, structures, and histories of galaxies — whether alone, as part of small groups, or within immense clusters.

  6. 17 de abr. de 2019 · April 17, 2019. • 6 min read. Galaxies are sprawling systems of dust, gas, dark matter, and anywhere from a million to a trillion stars that are held together by gravity. Nearly all large ...