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Mystery Of Weird ‘Green Blob’ In Space Finally Revealed

by : Tom Percival on : 11 Aug 2016 13:03
p1101a-portalWikimedia

Nine years ago a star-gazing school teacher discovered something shocking out in deep space, a huge glowing green blob which looks like something from Star Trek

Now scientists believe they’ve cracked what causes the blob to glow and it’s even helping researchers understand how black holes affect galaxies.

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The blob was named ‘Hanny’s Voorwep’ – which is Dutch for Hanny’s object – and is believed to be 650 million light years from Earth, close to a gas bubble in a distant galaxy.

800px-Hannys_voorwerpNASA

By observing both Hanny’s Voorwep and the gas bubble researchers have cracked what causes the blob to glow, The Daily Mail reports.

Basically astronomers believe that the blob is a gas outflow from a nearby galaxy which glows emerald because of X-Ray and ultraviolet radiation bursts from a supermassive black hole, or quasar, at the centre of the galaxy.

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BH_LMCWikimedia

As the black hole grows though it emits less and less radiation causing a ‘delayed response’ meaning that back in the day glow from the black hole was probably much brighter and will fade over time.

By observing the cloud and the black hole researchers have developed a greater understanding of both quasars and Super-massive black holes.

Hanny’s Voorwep was discovered back in in 2007 by Dutch schoolteacher Hanny van Arkel, while she was volunteering in the Galaxy Zoo project.

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Nice find Hanny!

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Tom Percival

More of a concept than a journalist, Tom Percival was forged in the bowels of Salford University from which he emerged grasping a Masters in journalism. Since then his rise has been described by himself as ‘meteoric’ rising to the esteemed rank of Social Editor at UNILAD as well as working at the BBC, Manchester Evening News, and ITV. He credits his success to three core techniques, name repetition, personality mirroring, and never breaking off a handshake.

Topics: Science

Credits

Daily Mail
  1. Daily Mail

    Mystery of the ‘Green Blob’ is solved: Cosmic cloud is blasted by a nearby black hole to give it an emerald glow