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Acidic Europa May Eat Away at Chances for LifeMoffett Field CA (SPX) Mar 02, 2012 The ocean underneath the icy shell of Jupiter's moon Europa could be too acid to support life, due to compounds that may regularly migrate downward from its surface, researchers find. Europa, which is roughly the size of Earth's moon, could possess an ocean about 100 miles deep (160 kilometers). This ocean is overlain by an icy crust of unknown thickness, although some estimates are that it could be only a few miles thick. Since there is life virtually wherever there is liquid water on Earth ... read more |
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  New model provides different take on planetary accretion The prevailing model for planetary accretion, also called fractal assembly, and dating back as far as the 18th century, assumes that the Solar System's planets grew as small grains colliding chaotic ... more | .. |
 Researchers say galaxy may swarm with 'nomad planets' Our galaxy may be awash in homeless planets, wandering through space instead of orbiting a star. In fact, there may be 100,000 times more "nomad planets" in the Milky Way than stars, according ... more | .. |
  Young Stars Flicker Amidst Clouds of Gas and Dust Astronomers have spotted young stars in the Orion nebula changing right before their eyes, thanks to the European Space Agency's Herschel Space Observatory and NASA's Spitzer Space Telescope. The co ... more | .. |
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 VLT rediscovers life on Earth By looking at the moon "We used a trick called earthshine observation to look at the Earth as if it were an exoplanet," says Michael Sterzik (ESO), lead author of the paper. "The Sun shines on the Earth and this light is ... more | .. |
  BepiColombo Mercury mission to be launched in 2015 BepiColombo, an ESA mission to the planet Mercury in collaboration with the Japanese space agency, JAXA, is now planned for launch in a window opening in August 2015. While ESA had previously ... more | .. |
  Scientists Shed Light On Lunar Impact History A team of researchers from the NASA Lunar Science Institute (NLSI) at NASA's Ames Research Center, Moffett Field, Calif., have discovered that debris that caused a "lunar cataclysm" on the moon 4 bi ... more | .. |
  Asteroid 2011 AG5 - A Reality Check Asteroid 2011 AG5 has been receiving a lot of attention lately because of a very unlikely scenario which would place it on an Earth-interception course 28 years from now. Here is a scientific realit ... more |
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Ukraine 'shouldn't target' Moscow: Trump
Trump gives Russia 50 days to make Ukraine deal
Pentagon inks contracts for Musk's xAI, competitors | .. |
  A study describes liquid water diffusion at molecular level Researchers at the universities of Granada and Barcelona have described for the first time the diffusion of liquid water through nanochannels in molecular terms; nanochannels are extremely tiny chan ... more | .. |
  New Research Points to Erosional Origin of Linear Dunes Linear dunes, widespread on Earth and Saturn's moon, Titan, are generally considered to have been formed by deposits of windblown sand. It has been speculated for some time that some linear dunes ma ... more | .. |
  IBM takes giant step to faster, quantum computers IBM researchers have taken a leap in computing by using quantum mechanics to harness the power of atoms and molecules, a move likely to lead to vast increases in speed and security of computers and other devices. ... more | .. |
  Mysterious electron acceleration explained A mysterious phenomenon detected by space probes has finally been explained, thanks to a massive computer simulation that was able to precisely align with details of spacecraft observations. The fin ... more |
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 XMM-Newton measures the power of black-hole driven outflows in galaxies Astronomers using ESA's XMM-Newton X-ray Observatory have discovered that ultra-fast outflows are quite common in active galaxies. About 40 per cent of the sources in their sample show outflows that ... more | .. |
 Ultra-fast Outflows Help Monster Black Holes Shape Their Galaxies A curious correlation between the mass of a galaxy's central black hole and the velocity of stars in a vast, roughly spherical structure known as its bulge has puzzled astronomers for years. An inte ... more | .. |
 Light in slow motion How long does it take an electron to form a photon? The answer would normally be: so short a time that it cannot be measured. However, the international CERN team responsible for experiment NA63 - m ... more | .. |
 Scientists score victory over uncertainty in quantum physics measurements Most people attempt to reduce the little uncertainties of life by carrying umbrellas on cloudy days, purchasing automobile insurance or hiring inspectors to evaluate homes they might consider purcha ... more |
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Underappreciated threat of nanoplastic pollution revealed in Atlantic Ocean study
Deadly China-Nepal flood caused by glacial lake: experts
New UK weather records being set 'very frequently': report | .. |
 NIST reveals switching mechanism in promising computer memory device Sometimes knowing that a new technology works is not enough. You also must know why it works to get marketplace acceptance. New information from the National Institute of Standards and Technol ... more | .. |
 Scientists say big asteroid bears watching Scientists at a United Nations meeting in Vienna say they're keeping a close eye on a large asteroid that may pose an impact threat to Earth in a few decades. ... more | .. |
 Rhea Before Titan Craters appear well defined on icy Rhea in front of the hazy orb of the much larger moon Titan in this Cassini spacecraft view of these two Saturn moons. Lit terrain seen here is on the leadin ... more | .. |
 Black Hole Came From A Shredded Galaxy Astronomers using NASA's Hubble Space Telescope have found a cluster of young, blue stars encircling the first intermediate-mass black hole ever discovered. The presence of the star cluster suggests ... more |
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 Preview of a Forthcoming Supernova At the turn of the 19th century, the binary star system Eta Carinae was faint and undistinguished. In the first decades of the century, it became brighter and brighter, until, by April 1843, it was ... more | .. |
 Five Solar Eruptions in 2 Days - CME On the Way From February 23 through February 24 our sun produced an astonishing five solar eruptions, launched from the top, bottom, left and right sides of the solar disk. Four of those eruptions came in just ... more | .. |
 China paces to the Moon China announces its next manned spaceflight to be launched next summer. What are the implications for 'senior space powers'? On February 21, Chinese space officials announced that the next manned Sh ... more | .. |
 Astrophysicists from Clemson and Europe unmask a black hole A study of X-rays emitted a long time ago in a galaxy far, far away has unmasked a stellar mass black hole in Andromeda, a spiral galaxy about 2.6 million light-years from Earth. Two Clemson U ... more |
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Iraq's Kurdistan enjoys all-day state electricity
Nvidia's Huang says China's open-source AI a 'catalyst for progress'
Malaysia clamps down on export, transit of US-made AI chips | .. |
 A Planetary Exo-splosion Mankind's knowledge of planets, limited for most of human history to our own Earth and its solar system neighbors, has exploded in the last 20 years with the discovery of hundreds of exo-planets in the cosmos, a search with the ultimate goal of finding an Earthly twin that could harbor some form of life. ... more | .. |
 Pulsars: The Universe's Gift to Physics Pulsars, superdense neutron stars, are perhaps the most extraordinary physics laboratories in the Universe. Research on these extreme and exotic objects already has produced two Nobel Prizes. Pulsar ... more | .. |
 The Many Moods of Titan A set of recent papers, many of which draw on data from NASA's Cassini spacecraft, reveal new details in the emerging picture of how Saturn's moon Titan shifts with the seasons and even throughout t ... more | .. |
 Fastest wind from stellar mass black hole discovered The fastest wind ever discovered blowing off a disk around a stellar-mass black hole has been observed by a team of astronomers that includes a University of Michigan doctoral student. Using N ... more |
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 UNH scientists launch NASA rocket into Aurora With the full sky shimmering in green aurora, Saturday night (Feb. 18, 2012) a team of scientists, including space physicist Marc Lessard and graduate students from the University of New Hampshire's ... more | .. |
 THEMIS Celebrates Five Years of Watching Aurora and Space Weather People still talk about the launch. It was the first - and so far, only - time NASA has launched five satellites at one time. Carefully balanced inside a Delta II rocket, the five THEMIS (short for ... more | .. |
 Extending the Habitable Zone for Red Dwarf Stars Stars known as red dwarfs might have larger habitable zones friendly to 'life as we know it' than once thought, researchers say. Red dwarfs, also known as M stars, are dim compared to stars li ... more | .. |
 Rare Earth element found far, far away Nearly 13.7 billion years ago, the universe was made of only hydrogen, helium and traces of lithium - byproducts of the Big Bang. Some 300 million years later, the very first stars emerged, creating ... more |
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