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Dark Matter

Researchers May Have Finally Detected a Dark Matter Particle

April 15, 2013

Want to stay on top of all the space news? Follow @universetoday on Twitter Dark matter: it’s invisible, it’s elusive, it’s controversial… and it’s everywhere — in the Universe, yes, but especially in the world of astrophysics, where researchers have been exhaustively trying to reveal its true identity for decades. Now, scientists with the international [...]

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Space Station Detector Finds Extra Antimatter in Space, Maybe Dark Matter

April 3, 2013

The first results from the largest and most complex scientific instrument on board the International Space Station has provided tantalizing hints of nature’s best-kept particle secrets, but a definitive signal for dark matter remains elusive. While the AMS has spotted millions of particles of antimatter – with an anomalous spike in positrons — the researchers [...]

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Do We Really Need Dark Matter?

December 7, 2012

Hubble mosaic of massive galaxy cluster MACS J0717.5+3745, thought to be connected by a filament of dark matter. Credit: NASA, ESA, Harald Ebeling (University of Hawaii at Manoa) & Jean-Paul Kneib (LAM) Even though teams of scientists around the world are at this very moment hot on the trail of dark matter – the “other stuff” that the [...]

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Hubble Studies Dark Matter Filament in 3-D

October 16, 2012

Hubble’s view of massive galaxy cluster MACS J0717.5+3745. The large field of view is a combination of 18 separate Hubble images. Credit: NASA, ESA, Harald Ebeling (University of Hawaii at Manoa) & Jean-Paul Kneib (LAM) Earlier this year, astronomers using the Hubble Space Telescope were able to identify a slim filament of dark matter that [...]

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Astronomers Discover Milky Way’s Hot Halo

September 24, 2012

Artist’s illustration of a hot gas halo enveloping the Milky Way and Magellanic Clouds (NASA/CXC/M.Weiss; NASA/CXC/Ohio State/A.Gupta et al.) Our galaxy — and the nearby Large and Small Magellanic Clouds as well — appears to be surrounded by an enormous halo of hot gas, several hundred times hotter than the surface of the Sun and [...]

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