News tagged with dark mass
New research suggests initial mass function for galaxies not universal
(Phys.org) -- Over the past several years there has been debate in the astrophysics community regarding the distribution of stars in galaxies, specifically their mass range. Astronomers use an initial mass ...
Apr 26, 2012 |
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Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum)
(PhysOrg.com) -- During the past few years, CERN physicist Dragan Hajdukovic has been investigating what he thinks may be a widely overlooked part of the cosmos: the quantum vacuum. He suggests that the quantum vacuum has ...
Feb 01, 2012 |
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First low-mass star detected in globular cluster
Even the most powerful high-tech telescopes are barely able to record remote low-mass and thus faint stars. Together with researchers from Poland and Chile, an astrophysicist from the University of Zurich ...
Dec 15, 2011 |
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NASA satellite could reveal if primordial black holes are dark matter
(PhysOrg.com) -- The primary objective of NASA’s Kepler satellite, which was launched in March 2009 to orbit the Sun, is to search for Earth-like planets in a portion of the Milky Way galaxy. But now ...
Dec 09, 2011 |
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Could dark matter not matter?
You probably want to put on your skeptical goggles and set them to maximum for this one. An Italian mathematician has come up with some complex formulae that can, with remarkable similarity, mimic the rotation ...
Dec 05, 2011 |
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Physicists set strongest limit on mass of dark matter
Brown University physicists have set the strongest limit for the mass of dark matter, the mysterious particles believed to make up nearly a quarter of the universe. The researchers report in Physical Review Le ...
Nov 23, 2011 |
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Hershey scientists improve methods for analysis of healthful cocoa compounds
Two scientific publications report on improved methods for determining the amounts of flavanol antioxidants in cocoa and chocolate. The research, sponsored by The Hershey Center for Health and Nutrition, was a collaboration ...
Chemistry / Analytical Chemistry
Feb 14, 2011 |
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Mass limits of dark matter derived from 'strange' stars
(PhysOrg.com) -- Much of the matter in our universe may be made of a type of dark matter called weakly interacting massive particles, better known as WIMPs. Although some scientists predict that these hypothetical ...
Oct 12, 2010 |
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Neutrino mass: 'Ghost particle' sized up by cosmologists
(PhysOrg.com) -- Cosmologists at UCL (University College London) are a step closer to determining the mass of the elusive neutrino particle, not by using a giant particle detector, but by gazing up into space.
Jun 22, 2010 |
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Computer Finds Massive Black Hole in Nearby Galaxy
Astronomers Karl Gebhardt of The University of Texas at Austin and Jens Thomas of the Max Planck Institute for Extraterrestrial Physics have used new computer modeling techniques to discover that the black ...
Jun 09, 2009 |
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Did 'Dark Gulping' Generate Black Holes in Early Universe?
(PhysOrg.com) -- A process called ‘dark gulping’ may solve the mystery of the how supermassive black holes were able to form when the Universe was less than a billion years old.
Apr 23, 2009 |
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