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Astronomy Picture of the Day

Ice Ring around Nearby Star Fomalhaut

Image Credit: ALMA (ESO/NAOJ/NRAO), M. MacGregor; NASA/ESA Hubble, P. Kalas; B. Saxton (NRAO/AUI/NSF)

Explanation: Why is there a large ice ring around Fomalhaut? 364 more words



From APOD (Astronomy Picture of the Day), a website well worth adding to your daily news-feed.

Need to be reminded of the big picture? Check out the stars as seen from the earth, thousands of years into the future!

New constellations, new visions of the sky, new life! How small and precious our lives are, aren’t they? How we move like fast stars with our stories and visions. 13 more words


Castle Eye View

The best known asterism in northern skies, The Big Dipper is easy to recognize, even when viewed upside down, though some might see a… 126 more words


3D 67P

Get out your red/cyan glasses and gaze across the surface of Churyumov-Gerasimenko, aka Comet 67P. The stereo anaglyph was created by combining two images from the… 110 more words


The Comet, the Owl, and the Galaxy

Comet 41P/Tuttle-Giacobini-Kresak poses for a Messier moment in this telescopic snapshot from March 21. In fact it shares the 1 degree wide field-of-view with two well-known entries in the 18th century comet-hunting astronomer’s… 145 more words