News tagged with matter

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Proposed Particle Help Explains Odd Galactic Photons

Physics / General Physics

created Jul 25, 2008 | popularity 4.2 / 5 (74) | comments 19 feature

In 2002, a satellite called INTEGRAL was launched by the European Space Agency with an instrument on board to detect and measure gamma rays from space. Four years later, it yielded some intriguing data: An unusually high ...


What if dark matter particles aren't WIMPs?

Physics / General Physics

created Dec 12, 2008 | popularity 4.3 / 5 (70) | comments 75 feature

(PhysOrg.com) -- For years, many physicists have accepted that dark matter is composed of weakly interacting massive particles (WIMPs). The fact that WIMPs can naturally explain the amount of dark matter in the universe – ...


Looking for neutralinos at the Large Hadron Collider

Physics / General Physics

created Jul 09, 2008 | popularity 4.3 / 5 (64) | comments 27 feature

“We are looking at the heavens, and using the very biggest things to help up predict what will happen with the very smallest things,” David Toback tells PhysOrg.com. Toback is a professor at Texas A&M University in Colleg ...


Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Stars Fueled by Dark Matter Could Hold Secrets to the Universe

Physics / General Physics

created Nov 03, 2009 | popularity 4.4 / 5 (58) | comments 44 feature

(PhysOrg.com) -- The first stars in the universe may have been very different from the stars we see today, yet they may hold clues to understanding some of the mysterious features of the universe. These "dark ...


Astronomers discover most dark matter-dominated galaxy in universe

Astronomers Discover Most Dark Matter-Dominated Galaxy in Universe

Space & Earth / Astronomy

created Sep 18, 2008 | popularity 4.3 / 5 (58) | comments 19

(PhysOrg.com) -- A team led by a Yale University astronomer has discovered the least luminous, most dark matter-filled galaxy known to exist.


A dark matter disk in our Galaxy

A dark matter disk in our Galaxy

Physics / General Physics

created Sep 16, 2008 | popularity 4.4 / 5 (56) | comments 7

(PhysOrg.com) -- An international team of scientists predict that our Galaxy, the Milky Way, contains a disk of ‘dark matter’. In a paper published in Monthly Notices of the Royal Astronomical Society, astronomers ...


Giant simulation could solve mystery of 'dark matter'

Physics / General Physics

created Nov 05, 2008 | popularity 4.4 / 5 (55) | comments 10

The search for a mysterious substance which makes up most of the Universe could soon be at an end, according to new research.


Invisible hand in invisible matter

Invisible hand in invisible matter

Space & Earth / Astronomy

created Oct 06, 2009 | popularity 4.6 / 5 (50) | comments 38

(PhysOrg.com) -- An international team of astronomers have found an unexpected link between mysterious 'dark matter' and the visible stars and gas in galaxies that could revolutionise our current understanding ...


Can R2 gravity explain dark matter?

Physics / General Physics

created Apr 20, 2009 | popularity 3.5 / 5 (65) | comments 50 feature

(PhysOrg.com) -- "In many ways, the standard model of cosmology works very well," Jose Cembranos tells PhysOrg. "However, there are very basic features that we just do not know. We have dark energy and dark matter. They d ...


Study plunges standard Theory of Cosmology into Crisis

Physics / General Physics

created May 05, 2009 | popularity 4.5 / 5 (47) | comments 70

As modern cosmologists rely more and more on the ominous “dark matter” to explain otherwise inexplicable observations, much effort has gone into the detection of this mysterious substance in the last two decades, yet no direct ...


New theory for latest high-temperature superconductors

Physics / General Physics

created Aug 13, 2008 | popularity 3.9 / 5 (52) | comments 1

Physicists from Rice and Rutgers universities have published a new theory that explains some of the complex electronic and magnetic properties of iron "pnictides." In a series of startling discoveries this spring, pnictides ...


Listening to dark matter

Listening to dark matter

Physics / General Physics

created Oct 16, 2008 | popularity 4.3 / 5 (46) | comments 14

(PhysOrg.com) -- A team of researchers in Canada have made a bold stride in the struggle to detect dark matter. The PICASSO collaboration has documented the discovery of a significant difference between the ...


Mysterious Source of High-Energy Cosmic Radiation Discovered

Mysterious Source of High-Energy Cosmic Radiation Discovered

Physics / General Physics

created Nov 19, 2008 | popularity 4.3 / 5 (44) | comments 11

(PhysOrg.com) -- Scientists announced Wednesday the discovery of a previously unidentified nearby source of high-energy cosmic rays. The finding was made with a NASA-funded balloon-borne instrument high over ...


Tackling the big questions -- approaching a revolution in our understanding of gravity

Physics / General Physics

created Nov 05, 2008 | popularity 4 / 5 (46) | comments 13

(PhysOrg.com) -- The way galaxies move through the cosmos has recently begun to baffle scientists. Even when the gravitational theories of Newton and Einstein are taken into account, the universe is expanding and galaxies ...


New detector will aid dark matter search

New detector will aid dark matter search

Physics / General Physics

created Dec 10, 2008 | popularity 4.4 / 5 (40) | comments 19

(PhysOrg.com) -- Several research projects are underway to try to detect particles that may make up the mysterious “dark matter” believed to dominate the universe’s mass. But the existing detectors have a ...