The Sky Tonight

August 12, 2016

A Black Hole Story Told by a Cosmic Blob and Bubble
Boston MA (SPX) Aug 12, 2016
Two cosmic structures show evidence for a remarkable change in behavior of a supermassive black hole in a distant galaxy. Using data from NASA's Chandra X-ray Observatory and other telescopes, astronomers are piecing together clues from a cosmic "blob" and a gas bubble that could be a new way to probe the past activity of a giant black hole and its effect on its host galaxy. The Green Blob, a renowned cosmic structure also called "Hanny's Voorwerp" (which means "Hanny's object" in Dutch), is locat ... read more

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DDO 68: Among Galaxies, A Flea, But A Voracious One Even a dwarf galaxy with very low mass is capable of accreting smaller nearby galaxies, according to an international team of astronomers led by Francesca Annibali of INAF, the Italian National Inst ... more		Hubble spots pair of wild galaxies joining cosmic civilization After billions of years wandering in the proverbial wilderness, two galaxies, Pisces A and B, are returning to cosmic civilization. ... more		The long hunted sterile neutrino cannot be traced Some of the most abundant particles in the universe are the so-called ghost particles, neutrinos, which travel through virtually anything on their journey through the universe. Researchers have iden ... more
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IRIS Spots Plasma Rain on Sun's Surface NASA's Interface Region Imaging Spectrograph, or IRIS, captured a mid-level solar flare: a sudden flash of bright light on the solar limb - the horizon of the sun - as seen at the beginning of this ... more		Do Black Holes Have a Back Door One of the biggest problems when studying black holes is that the laws of physics as we know them cease to apply in their deepest regions. Large quantities of matter and energy concentrate in an inf ... more		Scientists discover light could exist in a previously unknown form New research suggests that it is possible to create a new form of light by binding light to a single electron, combining the properties of both. According to the scientists behind the study, from Im ... more		Rhea Shines Brightly About Saturn Rhea, like many moons in the outer solar system, appears dazzlingly bright in full sunlight. This is the signature of the water ice that forms most of the moon's surface. Rhea (949 miles or 1, ... more

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