GALAXIAS

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NGC 5426 and 5427 interacting. Each of these spiral galaxies contains several hundred billion stars; our own galaxy is estimated to contain anywhere from 200 billion to 400 billion. Some estimates suggest the Universe holds up to 500 billion galaxies.
How Galaxies are Classified by Type (Infographic)
How Galaxies are Classified by Type (Infographic) by Karl Tate, Infographics Artist
15 Things You Might Not Have Known About Outer Space
15 Things You Might Not Have Known About Outer Space
APOD: 2013 November 25 - Anemic Spiral NGC 4921 from Hubble
Astronomy Picture of the Day for 25 Nov 2013. Clicking on the picture will download the highest resolution version available.
Unknown Sky?
Messier 77 (60 million light years away). Hubble Space Telescope
Galaxy’s have different sizes and shapes
Irregular Galaxy | Irregular galaxy
Image of the Day: July 2011
The Seyfert galaxy NGC 1097, in the constellation of Fornax (The Furnace), is seen in this image taken by ESO’s Very Large Telescope (VLT). A tiny elliptical companion galaxy, NGC 1097A, is also visible at the top left. NGC 1097, the larger galaxy, also has four faint jets — too faint to be seen in this image — that emerge from its center, forming an X-shaped pattern, and are the longest visible-wavelength jets of any known galaxy.