An astronomical first: a gamma ray burst observed within the dense center of an ancient galaxy. A testament to the universe's ceaseless capacity for surprise, this discovery expands our understanding of these potent energy phenomena. 🌌
Two compact objects collided in a distant galactic center, releasing a gamma ray burst. The brightest outpourings of energy in the universe are gamma ray bursts. They are typically born as stars or other objects collapse into black holes and send out blasts of high-energy photons billions of light years across the universe.
On Oct. 19, 2019, NASA’s Neil Gehrels Swift Observatory – a space telescope that orbits the earth – detected a peculiarthat lasted a little more than a minute. Seeing as most bursts last just a few seconds, this one classified as “long” and indicated something particularly interesting had occurred. Had a huge star collapsed, researchers asked, or had something more exotic occurred?
Space scientists have long speculated that the cores of ancient galaxies could serve as crucibles for rare gamma ray bursts, but until now, no one had ever observed such a flash.The astronomers at Gemini South pored over the data and found no evidence of a supernova, meaning the burst came from something more exotic than a collapsing star.
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