A new NASA computer simulation shows that dark matter particles colliding in the extreme gravity of a black hole can produce strong, potentially observable gamma-ray light. Detecting this emission would provide astronomers ...
Astronomy
Jun 23, 2015
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3393
A University of Arizona-led team of astronomers found that the type of supernovae commonly used to measure distances in the universe fall into distinct populations not recognized before; the findings have implications for ...
Astronomy
Apr 10, 2015
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2855
The brilliant explosions of dead stars have been used for years to illuminate the far-flung reaches of our cosmos. The explosions, called Type Ia supernovae, allow astronomers to measure the distances to galaxies and measure ...
Mar 27, 2015
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951
A team of astronomers from the University of Cambridge have identified nine new dwarf satellites orbiting the Milky Way, the largest number ever discovered at once. The findings, from newly-released imaging data taken from ...
Astronomy
Mar 10, 2015
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917
(Phys.org)—It was another interesting week for physics as a team working at École Polytechnique Fédérale de Lausanne found a way to take the first ever photograph of light as both a particle and wave. Meanwhile, another ...
It's a beautiful theory: the standard model of cosmology describes the universe using just six parameters. But it is also strange. The model predicts that dark matter and dark energy – two mysterious entities that have ...
General Physics
Mar 6, 2015
92
5410
A team of space researchers working with data from the VLT in Chile has found via measuring the spectrum of a distant quasar by analyzing absorption lines in a galaxy in front of it, that there was no measurable change in ...
(Phys.org)—It was an intriguing week for physics as a pair of theorists suggested that their quantum equation predicts the universe has no beginning and thus there was no Big Bang. In their paper published in Physics Letters ...
(Phys.org)—Dark energy is an unknown form of energy that is proposed to drive the accelerated expansion of the universe. A new study by University of Georgia professor Edward Kipreos suggests that changes in how people ...
General Physics
Dec 30, 2014
208
5
For the first time researchers have measured large distances in the Universe using data, rather than calculations related to general relativity.
General Physics
Dec 12, 2014
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