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Spiral galaxy - Wikipedia

en.wikipedia.org/wiki/Spiral_galaxy

A spiral galaxy is a type of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae and, as such, forms part of the Hubble ...

Spiral Galaxies - SDSS

cas.sdss.org/dr6/en/proj/basic/galaxies/spirals.asp

The most common type of galaxy is called a "spiral galaxy." Not surprisingly, spiral galaxies look like spirals, with long arms winding toward a bright bulge at the ...

Spiral Galaxy | NASA

www.nasa.gov/multimedia/imagegallery/image_feature_2132.html

Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy M74 is an iconic reminder of the ...

Hubble Spies Spiral Galaxy | NASA

www.nasa.gov/image-feature/goddard/2016/hubble-spies-spiral-galaxy

Nov 22, 2016 ... Spiral galaxy NGC 3274 is a relatively faint galaxy located over 20 million light- years away in the constellation of Leo (The Lion).

normal spiral galaxy | astronomy | Britannica.com

www.britannica.com/topic/normal-spiral-galaxy

Spirals are characterized by circular symmetry, a bright nucleus surrounded by a thin outer disk, and a superimposed spiral structure. They are divided into two ...

What process creates and maintains the beautiful spiral arms ...

www.scientificamerican.com/article/what-process-creates-and/

Before delving into an answer, it is important to note that the spiral arms of galaxies are not fixed, solid objects; rather, they are patterns of bright stars and gas ...

Spiral Galaxy | COSMOS

astronomy.swin.edu.au/cosmos/S/spiral galaxy

When Hubble developed his classification system for galaxies based on their appearance in optical light, he divided the spirals into those in which the spiral arm ...

Spiral galaxy | Define Spiral galaxy at Dictionary.com

www.dictionary.com/browse/spiral-galaxy

Spiral galaxy definition, a galaxy having a spiral structure. See more.

Spiral Galaxy Facts - SoftSchools

www.softschools.com/facts/space/spiral_galaxy_facts/438/

Spiral galaxies get their name by the fact that they have a spiral or whirl shape. The "arms" of the spiral are the areas where stars are formed. These arms appear  ...

Spiral Galaxy NGC 3982 - Amazing Space

amazingspace.org/uploads/pdf/name/6/lp_spiral_galaxy_ngc_3982.pdf

spiral pattern exemplified by spiral galaxy NGC 3982 on the front of the lithograph is the first to ... spiral galaxies show considerable variation in their patterns.

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Spiral Galaxy Facts & Definition - Space.com

www.space.com

Aug 15, 2013 ... A spiral galaxy has a distinct winding shape. Most of the galaxies observed by astronomers are spiral galaxies.

What is a spiral galaxy? | Cool Cosmos

coolcosmos.ipac.caltech.edu

Spiral galaxies get their name from the shape of their disks. In a spiral galaxy, the stars, gas and dust are gathered in spiral arms that spread outward from the ...

Spiral Galaxies - Windows to the Universe

www.windows2universe.org

Spiral galaxies may remind you of a pinwheel. They are rotating disks of mostly hydrogen gas, dust and stars. Through a telescope or binoculars, the bright ...