News tagged with dark matter

Possible signature of dark matter annihilation detected

We live in a dramatic epoch of astrophysics. Breakthrough discoveries like exoplanets, gravitational waves from merging black holes, or cosmic acceleration seem to arrive every decade, or even more often. But perhaps no discovery ...

dateMar 28, 2016 in Astronomy
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Image: Hubble looks into a cosmic kaleidoscope

At first glance, this cosmic kaleidoscope of purple, blue and pink offers a strikingly beautiful—and serene—snapshot of the cosmos. However, this multi-colored haze actually marks the site of two colliding galaxy clusters, ...

dateMar 28, 2016 in Astronomy
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Dark matter satellites trigger massive birth of stars

One of the main predictions of the current model of the creation of structures in the universe, known at the Lambda Cold Dark Matter model, is that galaxies are embedded in very extended and massive halos of dark matter that ...

dateMar 09, 2016 in Astronomy
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Team simulates the expansion of the Universe

The Universe is constantly expanding. It changes, creating new structures that merge. But how does our Universe evolve? Physicists at the University of Geneva (UNIGE), Switzerland, have developed a new code of numerical simulations ...

dateMar 07, 2016 in General Physics
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Black holes banish matter into cosmic voids

We live in a universe dominated by unseen matter, and on the largest scales, galaxies and everything they contain are concentrated into filaments that stretch around the edge of enormous voids. Thought to be almost empty ...

dateFeb 24, 2016 in Astronomy
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