Heavens
In the last two decades, the study of extrasolar planets — those that lie outside our own solar system — has become one of the most important fields of astrophysics. Now a National Aeronautics and Space Administration (NASA) team that includes Prof. Tsevi Mazeh of Tel Aviv University's Department of Astronomy and Astrophysics and the Director of the Wise Observatory has discovered two new planets, named Kepler-34 and Kepler-35, each of which revolves around its own double suns. Together with Kepler-16, discovered a few months ago, there are now three such known systems in the galaxy.
Washington, D.C. -- An international team of scientists led by Carnegie's Guillem Anglada-Escudé and Paul Butler has discovered a potentially habitable super-Earth orbiting a nearby star. The star is a member of a triple star system and has a different makeup than our Sun, being relatively lacking in metallic elements. This discovery demonstrates that habitable planets could form in a greater variety of environments than previously believed.
Barry D. Bruce, professor of biochemistry, cellular and molecular biology, at the University of Tennessee, Knoxville, is turning the term "power plant" on its head. The biochemist and a team of researchers have developed a system that taps into photosynthetic processes to produce efficient and inexpensive energy.
Predicting the future is always a tricky business -- just watch a TV weather report. Weather forecasts have come a long way, but almost every season there's a snowstorm that seems to come out of nowhere, or one that's forecast as 'the big one' that turns out to be a total bust.
In the last ten years, scientists have shown that it is possible to detect falling snow and measure surface snowpack information from the vantage point of space. But there remains much that is unknown about the fluffy white stuff.
DURHAM, N.H. – A potent follow-up solar flare, which occurred Friday (Jan. 17, 2012), just days after the Sun launched the biggest coronal mass ejection (CME) seen in nearly a decade, delivered a powerful radiation punch to Earth's magnetic field despite the fact that it was aimed away from our planet.
LIVERMORE, Calif. -- Using models similar to those used in weapons research, scientists may soon know more about exoplanets, those objects beyond the realm of our solar system.
In a new study, Lawrence Livermore National Laboratory scientists and collaborators came up with new methods for deriving and testing the equation of state (EOS) of matter in exoplanets and figured out the mass-radius and mass-pressure relations for materials relevant to planetary interiors.
WASHINGTON -- During the next five years, NASA technology development efforts should focus on 16 high-priority technologies and their associated top technical challenges, says a new report from the National Research Council. In addition, the report recommends emphasis on flight demonstrations for technologies that are nearly ready and a 10 percent allocation from the existing program budget to advance and refine early emerging technologies.
For a spacecraft to "see" and maintain its equilibrium, it needs a high-performance onboard computer. This device must process a myriad of sensor data simultaneously, and withstand the severe conditions of outer space. Through the MUSE project (Multicore Architecture for Sensor-based Position Tracking in Space), researchers are seeking to improve the positioning and guidance of such spacecraft.
In an ideal world, every tunnel, train terminal, and critical building would be built like a fortress to withstand any emergency. But in the real world, construction costs matter and engineers "build to code." While Americans can take comfort that their critical infrastructure meets minimum codes for safety, when terror—or nature—hits especially hard, minimum codes provide minimal comfort.
NGC 3324 is located in the southern constellation of Carina (The Keel, part of Jason's ship the Argo) roughly 7500 light-years from Earth. It is on the northern outskirts of the chaotic environment of the Carina Nebula, which has been sculpted by many other pockets of star formation (eso0905 - http://www.eso.org/public/news/eso0905/).
A study published in this week's PLoS Medicine shows that commercial electronic prescribing systems (commonly known as e-prescribing, in which prescribers use a computer to order medications for their patients through a system with the help of prompts, aids, and alerts) could substantially reduce prescribing error rates in hospital in-patients.
In a cross-sectional analysis of WHO-AIMS data published in this week's PLoS Medicine, Ryan McBain of Harvard School of Public Health, Boston, USA and colleagues investigated the associations between health system components and access to psychotropic drugs in 63 low- and middle- income countries (LAMICs). The authors' findings indicate that access to psychotropic medicines in LAMICs is related to key components within the mental health systems of these countries but that availability and affordability are affected to different extents by these components.
A great magnetic bubble surrounds the solar system as it cruises through the galaxy. The sun pumps the inside of the bubble full of solar particles that stream out to the edge until they collide with the material that fills the rest of the galaxy, at a complex boundary called the heliosheath. On the other side of the boundary, electrically charged particles from the galactic wind blow by, but rebound off the heliosheath, never to enter the solar system. Neutral particles, on the other hand, are a different story.
NASA's Aqua satellite passed over Tropical Cyclone Iggy on January 31 and the AIRS infrared instrument aboard showed that there is a large area of strong thunderstorms still surrounding Iggy's center of circulation.