News tagged with dark matter halo

A new era in the quest for dark matter

Since the 1970s, astronomers and physicists have been gathering evidence for the presence in the universe of dark matter: a mysterious substance that manifests itself through its gravitational pull. However, despite much ...

dateOct 05, 2018 in Astronomy
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Is dark matter made of primordial black holes?

Astronomers studying the motions of galaxies and the character of the cosmic microwave background radiation came to realize in the last century that most of the matter in the universe was not visible. About 84 percent of ...

dateApr 20, 2018 in Astronomy
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Dark matter 'missing' in a galaxy far, far away

Galaxies and dark matter go hand in hand; you typically don't find one without the other. So when researchers uncovered a galaxy, known as NGC1052-DF2, that is almost completely devoid of the stuff, they were shocked.

dateMar 28, 2018 in Astronomy
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Unprecedentedly wide and sharp dark matter map

A research team of multiple institutes, including the National Astronomical Observatory of Japan and University of Tokyo, released an unprecedentedly wide and sharp dark matter map based on the newly obtained imaging data ...

dateMar 02, 2018 in Astronomy
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New stellar stream discovered by astronomers

(Phys.org)—An international team of astronomers has detected a new thin stellar stream in the halo of the Milky Way galaxy. The newly discovered feature, named "jet stream," could help researchers answer fundamental questions ...

dateDec 05, 2017 in Astronomy report
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