Astronomy Picture of the Day

Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Explanation: The silhouette of an intriguing dark nebula inhabits this cosmic scene. Lynds’ Dark Nebula (LDN) 1622 appears against a faint background of glowing hydrogen gas only visible in long telescopic exposures of the region. […]

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Astronomy Picture of the Day

Explanation: Why does this galaxy spin so fast? To start, even identifying which type of galaxy UGC 12591 is difficult — featured on the lower left, it has dark dust lanes like a spiral galaxy but a large diffuse bulge of stars like a lenticular. Surprisingly observations show that UGC 12591 spins at about 480 km/sec, almost twice as fast as our Milky Way, […]

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Proxima Centauri, the sun’s nearest neighbor, may host a 2nd alien planet. Meet Proxima c.

The newly detected icy world remains a candidate planet for now. Proxima b may not be an only child after all. In August 2016, astronomers announced that a roughly Earth-size exoplanet circles the closest star to the sun, the red dwarf Proxima Centauri, which lies a mere 4.2 light-years from us. (For perspective, the Milky Way galaxy’s spiral disk […]

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Astronomers Detect a Binary Star Set to Explode, And You Might Be Alive to See It

An ordinary-looking star system, barely visible in the night sky, appears to have a very bright future in store – and if astronomers’ predictions are right, some of us might even be around to see it… More about this article in link… https://www.sciencealert.com/this-innocent-looking-star-is-doomed-to-explode-and-you-might-be-alive-to-see-it

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