List of galaxies - Wikipedia
WEBThis is a list of galaxies that are well known by something other than an entry in a catalog or list, or a set of coordinates, or a systematic designation.
list of galaxies and galaxy clusters - Encyclopedia Britannica
WEBGalaxy 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.)
Lists of galaxies - Wikipedia
WEBA 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, literally 'milky', a reference to the Milky Way galaxy that contains the Solar System.
Galaxies - HubbleSite
WEBJan 31, 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.
List of galaxies - Simple English Wikipedia, the free encyclopedia
WEBList of galaxies and galaxy clusters. Because there are so many galaxies in the universe, this list has been divided into several categories. The first catalog that catalogues galaxies is the Catalogue of Galaxies and of Clusters of Galaxies.
100 Notable Galaxies | Night Sky Stargazing | GO ASTRONOMY
WEBAn A-to-Z list of 100 notable galaxies of the night sky. Dim, diffuse objects like galaxies require lots of telescope aperture and are ideal for viewing with a dobsonian telescope . Also see the Local Group of Galaxies .
Galaxies - NASA Science
WEBGalaxies 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. The smallest can contain a few thousand stars and span just a …
Galaxy - Wikipedia
WEBGalaxies, averaging an estimated 100 million stars, [3] range in size from dwarfs with less than a thousand stars, [4] to the largest galaxies known – supergiants with one hundred trillion stars, each orbiting its galaxy's center of mass.
Galaxy | Definition, Formation, Types, Properties, & Facts
WEB2 days ago · galaxy, any of the systems of stars and interstellar matter that make up the universe. Many such assemblages are so enormous that they contain hundreds of billions of stars. Nature has provided an immensely varied array of galaxies, ranging from faint, diffuse dwarf objects to brilliant spiral-shaped giants.
Galaxy Types - Science@NASA
WEBTypes 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.