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Gemini Images: Spiral Galaxies

Spiral galaxies are rotating disk systems of stars, gas and dust. Due to their varying orientations in the sky, they may appear as face-on whirlpools, edge-on disks, or as something in between. Spirals are classified based on the tightness of their arms the size and shape of their nucleus. Those with an elongated bar-like center are called "barred spirals."

[Stephan&#8217;s Quintet]
Stephan’s Quintet

The Gemini Project is an international collaboration between the United States of America, the United Kingdom, Canada, Chile, Australia, Argentina and Brazil. This collection of images related to the Gemini project is maintained by the National Optical Astronomy Observatory (NOAO). If you plan to use any of these images for other than your personal enjoyment, please read our conditions of use.

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Last updated: Feb 15 2017