Scientists predict a 'dark matter hurricane' will collide with the Earth

Space Telescope Science Institut NASA ESA the Hubble SM4 ERO Team and ST-ECF

Space Telescope Science Institut NASA ESA the Hubble SM4 ERO Team and ST-ECF

There were various statements by the APS physics and one of them noted that these stars are supposed to be the remnants of the dwarf galaxy which at some time was vanished from the Milky Way galaxy a billion of years from now.

The discovery of Antlia 2 challenges the current models of galaxy formation today. Dubbed Antlia 2 (or Ant 2), the galaxy is remarkably faint but is located only about 130,000 light-years away from our galaxy.

The worldwide team, including many astronomers from the University of Cambridge, discovered the faint galaxy when examining data from Gaia's telescope.

However, despite its size, Antlia 2 gives out little light. One reason this giant galaxy has stayed hidden so long is that it puts out little light; Ant 2 is 10,000 times fainter than the Large Magellanic Cloud. Researchers from Universidad de Zaragoza, King's College London and the Institute of Astronomy in the United Kingdom have been studying a stellar stream left behind by a dwarf spheroidal galaxy that was devoured by the Milky Way aeons ago.

Adding heat to the outlandish apocalypse claims surfacing all around the internet, a team of astronomers has suggested that an incredibly fast dark matter hurricane will soon slam into the earth as it moves through the Milky Way.

The ESA's Gaia mission has delivered the most extravagant star list to date, including high-precision estimations of nearly 1.7 billion stars and uncovering already inconspicuous points of interest of our home world. As structures emerged in the early Universe, dwarfs were the first galaxies to form, and so most of their stars are old, low-mass and metal-poor.

They got lucky, actually, because in 2017, a stellar stream called S1 was discovered by the European Gaia satellite. During starting months of this year, the second set of data obtained by Gaia was released to scientists from different countries, the new set of data made available information about details of Milky Way that were not available for study earlier.

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Gaia's precision measurements provided the researchers with data on metal-poor RR Lyrae stars, a type of small, ancient star that pulses regularly, changing its brightness every 12 hours or so, Astronomy Now reported.

Then again, the properties of the tricky "dark matter", thought to keep worlds together, might be reconsidered.

"This is a ghost of a galaxy", said Gabriel Torrealba, lead author of the paper describing the discovery, which was published on November 9.

Boasting a mass much lower than expected for an object of its size, Ant 2 is probably being pulled apart by the Milky Way's galactic tides.

What remains unexplained is the object's giant size, says astronomer Sergey Koposov at Carnegie Mellon University.

"Compared to the rest of the 60 or so Milky Way satellites, Ant 2 is an oddball", co-author Matthew Walker, an assistant professor at Carnegie Mellon University, revealed. The current theory claiming that dark matter is tightly packed in the centers of galaxies does not appear to apply to the newly-discovered ghost dwarf. "We are wondering whether this galaxy is just the tip of an iceberg".

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