 The Pole star comes to life again July 21, 2008 | User rating: 4.5 / 5 after 45 vote(s)
| User comments: 8
(PhysOrg.com) -- The Northern Star, whose vibrations were thought to be dying away, appears to have come to life again. | |
 100 years on, mystery shrouds massive 'cosmic impact' in Russia June 29, 2008 | User rating: 4.5 / 5 after 68 vote(s)
| User comments: 13
A hundred years ago this week, a gigantic explosion ripped open the dawn sky above the swampy taiga forest of western Siberia, leaving a scientific riddle that endures to this day. | |
Could hadron collider devour the Earth? June 28, 2008 | User rating: 3.9 / 5 after 48 vote(s)
| User comments: 34
Particle colliders creating black holes that could devour the Earth. Sounds like a great Hollywood script. But, according to UC Santa Barbara Physics Professor Steve Giddings, it's pure fiction. | |
Cluster listens to the sounds of Earth June 27, 2008 | User rating: 4.6 / 5 after 8 vote(s)
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The first thing an alien race is likely to hear from Earth is chirps and whistles, a bit like R2-D2, the robot from Star Wars. In reality, they are the sounds that accompany the aurora. Now ESA's Cluster mission is showing ... | |
 Rare 'Star-Making Machine' Found in Distant Universe July 10, 2008 | User rating: 4.5 / 5 after 26 vote(s)
| User comments: 3
Astronomers have uncovered an extreme stellar machine -- a galaxy in the very remote universe pumping out stars at a surprising rate of up to 4,000 per year. In comparison, our own Milky Way galaxy turns out ... | |
 Not a Quirk But a Quark ... a Quark Star! June 27, 2008 | User rating: 4.6 / 5 after 40 vote(s)
| User comments: 7
Astronomers recently announced that they have found a novel explanation for a rare type of super-luminous stellar explosion that may have produced a new type of object known as a quark star. | |
The Quiet Explosion: Object intermediate between normal supernovae and gamma-ray bursts found 13 hours ago | User rating: 4.3 / 5 after 6 vote(s)
| User comments: 1
A European-led team of astronomers are providing hints that a recent supernova may not be as normal as initially thought. Instead, the star that exploded is now understood to have collapsed into a black hole, producing a ... | |
 Lenses galore -- Hubble finds large sample of very distant galaxies 14 hours ago | User rating: 4.5 / 5 after 6 vote(s)
| User comments: 1
By using the gravitational magnification from six massive lensing galaxy clusters, the NASA/ESA Hubble Space Telescope has provided scientists with the largest sample of very distant galaxies seen to date. ... | |
Ancient Galactic Magnetic Fields Stronger than Expected July 23, 2008 | User rating: 4.5 / 5 after 21 vote(s)
| User comments: 10
(PhysOrg.com) -- Mining the far reaches of the universe for clues about its past, a team of scientists including Philipp Kronberg of Los Alamos National Laboratory has proposed that magnetic fields of ancient galaxies like ... | |
 A new way to weigh giant black holes July 16, 2008 | User rating: 4.5 / 5 after 22 vote(s)
| User comments: 4
How do you weigh the biggest black holes in the universe? One answer now comes from a completely new and independent technique that astronomers have developed using data from NASA's Chandra X-ray Observatory. | |
 Makemake -- or Easter bunny -- enters book of space names July 15, 2008 | User rating: 4.4 / 5 after 7 vote(s)
| User comments: 2
Pluto -- downgraded two years ago to the status of a dwarf planet -- has an exotically-named chum on the fringes of the Solar System. | |
 What's My Age? Mystery Star Cluster Has 3 Different Birthdays July 10, 2008 | User rating: 4 / 5 after 11 vote(s)
| User comments: 2
Imagine having three clocks in your house, each chiming at a different time. Astronomers have found the equivalent of three out-of-sync "clocks" in the ancient open star cluster NGC 6791. The dilemma may fundamentally ... | |
 Discovery of the source of the most common meteorites July 10, 2008 | User rating: 4 / 5 after 24 vote(s)
| User comments: 1
Astronomy & Astrophysics is publishing the first discovery by T. Mothé-Diniz (Brazil) and D. Nesvorný (USA) of asteroids with a spectrum similar to that of ordinary chondrites, the meteoritic material ... | |
 Polarizing filter allows astronomers to see disks surrounding black holes July 23, 2008 | User rating: 4.1 / 5 after 19 vote(s)
| User comments: 2
(PhysOrg.com) -- For the first time, a team of international researchers has found a way to view the accretion disks surrounding black holes and verify that their true electromagnetic spectra match what astronomers ... | |
Seeing the universe through gamma-ray eyes July 09, 2008 | User rating: 4.4 / 5 after 14 vote(s)
| User comments: 2
The scientists have stopped holding their breath. Three weeks after the launch of the Gamma-ray Large Area Space Telescope (GLAST), researchers from Stanford University, the Stanford Linear Accelerator Center and elsewhere ... | |
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