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Fermi Telescope Peers Deep into Microquasar

Fermi Telescope Peers Deep into Microquasar (w/ Video)

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.8 / 5 (17) | comments 0

(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...


Research sheds new light on neutron stars (w/ Video)

Physics / General Physics

created Nov 02, 2009 | popularity 4 / 5 (7) | comments 1

(PhysOrg.com) -- Research by Michigan State University scientists has shed new light on the properties of neutron stars, galactic oddities that are formed when a large star runs out of fuel and collapses.


Gamma-ray photon race ends in dead heat; Einstein wins this round

Gamma-ray photon race ends in dead heat; Einstein wins this round

Physics / General Physics

created Oct 28, 2009 | popularity 4.7 / 5 (35) | comments 62

Racing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA's orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish ...


Astronomers explore 'last blank space' on map of the Universe

Astronomers explore 'last blank space' on map of the Universe

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.7 / 5 (30) | comments 71

(PhysOrg.com) -- The most distant object ever discovered is described in this week's edition of the science journal Nature. Two international teams of astronomers report their observations of a gamma-ray burst ...


Single-Molecule Magnets Open New Door for Information Technology

Single-Molecule Magnets Open New Door for Information Technology

Physics / Condensed Matter

created Mar 09, 2009 | popularity 4.7 / 5 (24) | comments 2

(PhysOrg.com) -- Recent research by scientists in Italy and France shows that that single molecules have the ability to store information via their magnetic state. Their work is a first step toward a new generation ...


Fermi telescope detects gamma-ray from 'star factories' in other galaxies

Fermi Telescope Detects Gamma-Ray From 'Star Factories' in Other Galaxies

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4 / 5 (2) | comments 0

Nearby galaxies undergoing a furious pace of star formation also emit lots of gamma rays, say astronomers using NASA's Fermi Gamma-ray Space Telescope. Two so-called "starburst" galaxies, plus a satellite ...


Invading black holes explain cosmic flashes

Invading black holes explain cosmic flashes

Space & Earth / Astronomy

created Sep 18, 2009 | popularity 4.2 / 5 (25) | comments 12

(PhysOrg.com) -- Black holes are invading stars, providing a radical explanation to bright flashes in the universe that are one of the biggest mysteries in astronomy today.


Scientists see water ice in fresh meteorite craters on Mars

Scientists see water ice in fresh meteorite craters on Mars

Space & Earth / Space Exploration

created Sep 24, 2009 | popularity 4.8 / 5 (16) | comments 3

(PhysOrg.com) -- Scientists are seeing sub-surface water ice that may be 99 percent pure halfway between the north pole and the equator on Mars, thanks to quick-turnaround observations from orbit of fresh ...


PAMELA

Has PAMELA Already Seen Dark Matter?

Physics / General Physics

created Aug 25, 2009 | popularity 3.7 / 5 (15) | comments 7

(PhysOrg.com) -- Back in 2006, PAMELA (a Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) was launched with the purpose of detecting cosmic radiation and looking for clues pointing ...


Milky Way Galaxy

Physicists on the prowl for dark matter

Physics / General Physics

created Jul 23, 2009 | popularity 3.8 / 5 (33) | comments 89

(PhysOrg.com) -- 95%. That is the percentage of the known Universe that is missing. As in it is not there. Or at least if it is there, we can't see it. We call this unseen stuff "dark matter". That has been ...


Very High Energy Gamma Rays

Very High Energy Gamma Rays

Space & Earth / Astronomy

created Sep 25, 2009 | popularity 4.5 / 5 (11) | comments 3

(PhysOrg.com) -- Gamma-rays are the most energetic known form of electromagnetic radiation, with each gamma ray being at least one hundred thousand times more energetic than an optical light photon. The most ...


Starburst galaxy sheds light on longstanding cosmic mystery

Starburst galaxy sheds light on longstanding cosmic mystery

Space & Earth / Astronomy

created Nov 02, 2009 | popularity 4.3 / 5 (3) | comments 0

(PhysOrg.com) -- An international collaboration that includes scientists from the University of Delaware's Bartol Research Institute in the Department of Physics and Astronomy has discovered very-high-energy ...


Fermi telescope caps its first year with a glimpse of space-time

Fermi Telescope Caps First Year With Glimpse of Space-Time (w/ Video)

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.6 / 5 (14) | comments 5

During its first year of operations, NASA's Fermi Gamma Ray Space Telescope mapped the extreme sky with unprecedented resolution and sensitivity. It captured more than one thousand discrete sources of gamma ...


Heart of a galaxy emits gamma rays

Heart of a galaxy emits gamma rays

Space & Earth / Astronomy

created Oct 02, 2009 | popularity 4.5 / 5 (6) | comments 6

(PhysOrg.com) -- Quite a few distant galaxies turn out to be cosmic delivery rooms. Large numbers of massive stars are born in the hearts of these starburst galaxies, and later explode as supernovae. In the ...


Fermi telescope reveals best-ever view of the gamma-ray sky

Fermi telescope reveals best-ever view of the gamma-ray sky

Space & Earth / Astronomy

created Mar 11, 2009 | popularity 4.7 / 5 (15) | comments 0

(PhysOrg.com) -- A new map combining nearly three months of data from NASA's Fermi Gamma-ray Space Telescope is giving astronomers an unprecedented look at the high-energy cosmos. To Fermi's eyes, the universe ...