Galaxies fed by funnels of fuel
(Phys.org) —Computer simulations of galaxies growing over billions of years have revealed a likely scenario for how they feed: a cosmic version of swirly straws.
May 24, 2013
5 / 5 (7)
11
|
May 24, 2013
5 / 5 (7)
11
|
Accurate distance measurement resolves major astronomical mystery
(Phys.org) —Sometimes astronomy is like real estate—what's important is location, location, and location. Astronomers have resolved a major problem in their understanding of a class of stars that undergo ...
May 23, 2013
5 / 5 (5)
4
|
A hidden population of exotic neutron stars
(Phys.org) —Magnetars – the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe. A major campaign using ...
May 23, 2013
4.8 / 5 (12)
6
|
Researchers explain magnetic field misbehavior in solar flares
When a solar flare filled with charged particles erupts from the sun, its magnetic fields sometime break a widely accepted rule of physics. The flux-freezing theorem dictates that the magnetic lines of force ...
May 22, 2013
4.7 / 5 (15)
13
|
Fragile mega-galaxy is missing link in history of cosmos
Two hungry young galaxies that collided 11 billion years ago are rapidly forming a massive galaxy about 10 times the size of the Milky Way, according to UC Irvine-led research published Wednesday in the journal ...
May 22, 2013
4.7 / 5 (15)
13
|
Mars rover Opportunity examines clay clues in rock
(Phys.org) —NASA's senior Mars rover, Opportunity, is driving to a new study area after a dramatic finish to 20 months on "Cape York" with examination of a rock intensely altered by water.
May 18, 2013
5 / 5 (10)
4
|
Fracking risks to ground water assessed
(Phys.org) —Extraction of "unconventional" gas from sedimentary rocks such as shale could provide a clean energy source and help some regions to become energy independent, but concerns have been raised ...
May 17, 2013
3.7 / 5 (23)
53
|
One-third of sea level rise comes from melting mountain glaciers, study reports
While 99 percent of Earth's land ice is locked up in the Greenland and Antarctic ice sheets, the remaining ice in the world's glaciers contributed just as much to sea rise as the two ice sheets combined from ...
May 16, 2013
3.5 / 5 (15)
2
|
Researchers find winds on Uranus and Neptune confined to thin atmosphere layer
(Phys.org) —A team of researchers from the U.S. and Israel has deduced that the winds that blow on Uranus and Neptune are confined to relatively thin atmospheric layers. In their paper published in the ...
May 16, 2013
4.5 / 5 (6)
5
|
Billion-year-old water could hold clues to life on Earth and Mars
A UK-Canadian team of scientists has discovered ancient pockets of water, which have been isolated deep underground for billions of years and contain abundant chemicals known to support life.
May 15, 2013
5 / 5 (15)
0
|
New method of finding planets scores its first discovery
(Phys.org) —Detecting alien worlds presents a significant challenge since they are small, faint, and close to their stars. The two most prolific techniques for finding exoplanets are radial velocity (looking ...
May 13, 2013
4.7 / 5 (23)
1
|
Earth's center is out of sync
(Phys.org) —We all know that the Earth rotates beneath our feet, but new research from ANU has revealed that the center of the Earth is out of sync with the rest of the planet, frequently speeding up and ...
May 13, 2013
4.8 / 5 (53)
38
|
Water on Moon and Earth came from same primitive meteorites, analysis shows
The water found on the moon, like that on Earth, came from small meteorites called carbonaceous chondrites in the first 100 million years or so after the solar system formed, researchers from Brown and Case ...
May 09, 2013
4.6 / 5 (14)
11
|
Cirrus clouds form around mineral dust and metallic particles, study finds
At any given time, cirrus clouds—the thin wisps of vapor that trail across the sky—cover nearly one-third of the globe. These clouds coalesce in the upper layers of the troposphere, often more than 10 ...
May 09, 2013
5 / 5 (7)
0
|
Surprising clutch of hydrogen clouds discovered lurking among our galactic neighbors
(Phys.org) —In a dark, starless patch of intergalactic space, astronomers have discovered a never-before-seen cluster of hydrogen clouds strewn between two nearby galaxies, Andromeda (M31) and Triangulum ...
May 08, 2013
4.8 / 5 (10)
15
|
