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Spiral galaxies are the most common type of galaxy in the universe, making up 77 percent of all known galaxies. These galaxies have long arms that wrap around a bright bulging...

Spiral galaxy


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

Spiral Galaxies


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 Facts & Definition - Space.com


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

These galaxies are subdivided into classes based on how tightly the arms are wound, with the tightest classified as Sa and those with the most loosely wound arms as Sd. Some spiral galaxies have a "bar" passing through the center off which the spiral arms extend. Withi... More »
By John P. Millis, Ph.D, About.com Guide

What is a spiral galaxy? | Cool Cosmos


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


The figure below right shows a nice spiral galaxy, M100, which is in the Virgo cluster Another beautiful example of a spiral galaxy is M83. Presumably our own  ...

Spiral Galaxy | NASA


Dec 16, 2011 ... Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy M74 is an iconic ...

Hubble Spies Charming Spiral Galaxy Bursting with Stars | NASA


The NASA/ESA Hubble Space Telescope observes some of the most beautiful galaxies in our skies — spirals sparkling with bright stellar nurseries, violent duos  ...

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 ...

Popular Q&A
Q: What are spiral galaxies known for?
A: There Known for being spirals retard its in the name. Read More »
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Q: How old is the spiral galaxy?
A: people are exactly 12,998 years old cause that is what i am thinking in my brain at this moment right now Read More »
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Q: What are the parts of a spiral galaxy.
A: The PartsOf galaxy Is Natural Gases Nd parts OfChemical stars. Read More »
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Q: What is true of spiral galaxies.
A: They all have a black hole at their centre. It is not understood why stars at the outer edge of the galaxy rotate with the same speed as those nearer galactic c... Read More »
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Q: What is at the center of the are spiral galaxie?
A: A spiral galaxy is shaped like a flat disk with a thicker bulge in the center. Bright spiral arms start from the center and then coil outward like a pinwheel. A... Read More »
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