Spiral Galaxy

Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae and, as such, form part of the Hubble sequence. Most spiral galaxies consist of a flat, rotating disk containing stars, gas and dust, and a central concentration of stars known as the bulge. These are often surrounded by a much fainter halo of stars, many of which reside in globular clusters. Spiral galaxies are named by their spiral structures that extend from the center into the galactic disc. The spiral arms are sites of ongoing star formation and are brighter than the surrounding disc because of the young, hot OB stars that inhabit them. Roughly two-thirds of all spirals are observed to have an additional component in the form of a bar-like structure, extending from the central bulge, at the ends of which the spiral arms begin.

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Hubble Sees a Spiral Galaxy With a Supermassive Black Hole Feasting at its Center

This spiral galaxy photo from the Hubble Space Telescope is just spectacular

Hubble Focuses on Enormous Spiral Galaxy: NGC 1961

See And Download The New Webb-Hubble Mash-Up Of A Spiral Galaxy 32 Million Light-Years Away

Mesmerizing new James Webb telescope photo shows a strange spiral galaxy

James Webb Space Telescope captures Barred Spiral Galaxy NGC 1365 about 56 million light-years away

Listen to NASA’s Sonification of Majestic Spiral Galaxy NGC 1300

Hubble Captures Magnificent Grand Spiral Galaxy Face-On

Gaze Into the Heart of a Grand Spiral Galaxy

Hubble Spots Face-On Grand Design Spiral Galaxy

Hubble Views Spiral Galaxy with Unusual, Warped Shape

Hubble telescope looks deep into the Needle's Eye in this dwarf spiral galaxy photo

Hubble Looks at Spiral Galaxy IC 342

Hubble Captures a Dwarf Spiral Galaxy with Multiple Mysteries

This spiral galaxy looks positively royal in vibrant new image

VLT Observes Spiral Galaxy Messier 66

Hubble Sees Double in M99 – A “Grand Design” Spiral Galaxy

See a behemoth black hole and spiral galaxy like only the Hubble telescope can

See a behemoth black hole and spiral galaxy like only the Hubble telescope can

Hubble snaps a spiral galaxy approximately 55 million light-years from Earth in the constellation Coma Berenices