New research, published in The Astrophysical Journal, has revealed the distribution of dark matter in never-before-seen detail, down to a scale of 30,000 light-years. The observed distribution fluctuations provide better ...
Astronomy
Sep 7, 2023
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Dark matter, inferred to exist from its gravitational effects on the universe, is still a mystery to scientists. But a new study says that dark matter could help life evolve and survive on distant worlds outside of our solar ...
General Physics
Jun 23, 2011
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When LIGO's twin detectors first picked up faint wobbles in their respective, identical mirrors, the signal didn't just provide first direct detection of gravitational waves—it also confirmed the existence of stellar binary ...
Astronomy
Apr 10, 2018
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Dark matter... It came into existence at the moment of the Big Bang. Within its confines, galaxies formed and evolved. If you add up all the parts contained within any given galaxy you derive its mass, yet its gravitational ...
Astronomy
Dec 30, 2011
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(PhysOrg.com) -- The NASA/ESA Hubble Space Telescope has been used to make an image of galaxy cluster MACS J1206.2-0847. The apparently distorted shapes of distant galaxies in the background is caused by an invisible substance ...
Astronomy
Oct 13, 2011
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A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" believed to make ...
Astronomy
Jul 9, 2009
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Astronomers regularly observe gravitational waves (GW)—ripples in space and time—that are caused by pairs of black holes merging into one. Einstein's theory of gravity predicts that GW, which squeeze and stretch space ...
Astronomy
Feb 4, 2020
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A new observatory still under construction has given astronomers a major breakthrough in understanding a nearby planetary system that can provide valuable clues about how such systems form and evolve. The scientists used ...
Astronomy
Apr 12, 2012
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(PhysOrg.com) -- An exceptional galaxy cluster, the largest seen in the distant universe, has been found using NASA's Chandra X-ray Observatory and the National Science Foundation-funded Atacama Cosmology Telescope (ACT) ...
Astronomy
Jan 10, 2012
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(Phys.org)—Astrophysicist Konstantin Batygin has published a paper in the journal Nature arguing that the reason some planets lie in a tilt off the equatorial plane of their sun is because of the prior existence of another ...
