“Enormous Ghost Galaxy” –Hidden In the Milky Way’s ‘Zone of Avoidance’

Milky Way Galactic Center

 

An enormous ‘ghost’ galaxy, believed to be one of the oldest in the universe, was detected lurking on the outskirts of the Milky Way in November of 2018 by a team of astronomers who discovered the massive object when trawling through new data from the European Space Agency’s Gaia satellite. The object, named Antlia 2, avoided detection thanks to its extremely low density as well as a perfect hiding place in the Zone of Avoidance, behind the shroud of the Milky Way’s disc–a region full of dust and an overabundance of bright stars near the galactic center.

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“Unexplained” –Enormous ‘Phantom’ Galaxy Discovered Hidden at Outskirts of the Milky Way: ‘Is It One of Many?’

 

 

What remains unexplained is the object’s giant size, says astronomer Sergey Koposov at Carnegie Mellon University. “Normally, as galaxies lose mass to the Milky Way’s tides, they shrink, not grow.”

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Monster Black Hole from Dark Ages of the Universe –“Shining Thousands of Times More Brightly than an Entire Galaxy” (Today’s Most Popular)

 

This spring 2018, a black hole was detected by the Gaia Spacecraft growing so rapidly that it’s shining thousands of times more brightly than an entire galaxy. “If this monster was at the center of the Milky Way it would likely make life on Earth impossible with the huge amounts of x-rays emanating from it,” said Christian Wolf with the Australia National University Research School of Astronomy and Astrophysics.

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“Just Another Pale Blue Dot?” –Earth-Like Worlds Might Be Not Be Unusual

 

“Most of the building blocks we have looked at in other planetary systems have a composition broadly similar to that of the Earth”, said Dr Siyi Xu of the Gemini Observatory in Hawaii, who was presenting the research at the Goldschmidt conference in Boston.

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