24/7 News Coverage
April 04, 2011
STELLAR CHEMISTRY
Revealing The Inner Secrets Of Giant Stars
Sydney, Australia (SPX) Apr 04, 2011
University of Sydney astrophysicists are behind a major breakthrough in the study of the senior citizens of our galaxy: stars known as Red Giants. Using high precision brightness measurements taken by the Kepler spacecraft, scientists have been able to distinguish profound differences inside the cores of stars that otherwise look the same on the surface. The discovery, published in the latest edition of the journal Nature and made possible by observations using NASA's powerful Kepler space telesco ... read more

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TIME AND SPACE

Getting To Know One Of The Four Fundamental Forces Of The Universe
In new work, high-energy physicists have observed two long-sought quantum states in the bottomonium family of sub-atomic particles. The result will help researchers better understand one of the four ... more
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SPACE TRAVEL

Aerojet Propulsion Assists Voyager 1 Precision Maneuver At The Edge Of The Solar System
Aerojet says its thrusters on the Voyager 1 spacecraft assisted in several critical repositionings of the spacecraft over 10 billion miles away from the sun, at the edge of the solar system. O ... more
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STELLAR CHEMISTRY

The Art Of Making Stars
It might look like an abstract painting, but this splash of colors is in fact a busy star-forming complex called Rho Ophiuchi. NASA's Wide-field Infrared Explorer, or WISE, captured the picturesque ... more
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IRON AND ICE

Forensic Sleuthing Ties Ring Ripples To Impacts
Like forensic scientists examining fingerprints at a cosmic crime scene, scientists working with data from NASA's Cassini, Galileo and New Horizons missions have traced telltale ripples in the rings ... more
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PHYSICS NEWS

Earth's Gravity Revealed In Unprecedented Detail
After just two years in orbit, ESA's GOCE satellite has gathered enough data to map Earth's gravity with unrivalled precision. Scientists now have access to the mos ... more
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TIME AND SPACE

Mysterious "Ribbon" Of Energy And Particles Isolated
In a paper to be published in the April, 2011, issue of The Astrophysical Journal, scientists on NASA's Interstellar Boundary Explorer (IBEX) mission, including lead author Nathan Schwadron and othe ... more
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EXO LIFE

Searching For Alien Life? Try Failed Stars
The search for alien life usually focuses on planets around other stars. But a lesser-known possibility is that life has sprung up on planets that somehow were ejected from their original solar syst ... more
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Military Space News, Nuclear Weapons, Missile Defense
Space Force taps five firms to develop secure global tactical satcom solutions
Russia urges caution in nuclear 'rhetoric' after Trump comments
'Unspeakable horror': the attacks on Hiroshima and Nagasaki
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DEEP IMPACT

Spring Is Fireball Season
What are the signs of spring? They are as familiar as a blooming Daffodil, a songbird at dawn, a surprising shaft of warmth from the afternoon sun. And, oh yes, don't forget the meteors. "Spri ... more
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STELLAR CHEMISTRY

Kepler Spacecraft Takes A Look Inside Red Giant Stars
NASA's Kepler Mission is giving astronomers such a clear view of changes in star brightness that they can now see clues about what's happening inside red giant stars. "No one anticipated seein ... more
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EXO WORLDS

White Dwarfs Could Be Fertile Ground For Other Earths
Planet hunters have found hundreds of planets outside the solar system in the last decade, though it is unclear whether even one might be habitable. But it could be that the best place to look for p ... more
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MERCURY RISING

First Color Image Of Mercury From Orbit
The first image acquired by MESSENGER from orbit around Mercury was actually part of an eight-image sequence, for which images were acquired through eight of the WAC's eleven filters. Here we ... more
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STELLAR CHEMISTRY

The Rose-Red Glow Of Star Formation
The vivid red cloud in this new image from ESO's Very Large Telescope is a region of glowing hydrogen surrounding the star cluster NGC 371. This stellar nursery lies in our neighbouring galaxy, the ... more
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SKY NIGHTLY

Texas Astronomers Find Super-Luminous Supernova
Astronomers led by graduate student Emmanouil "Manos" Chatzopoulos and Dr. J. Craig Wheeler of The University of Texas at Austin have found another extremely bright, rare supernova to add to the new ... more
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MERCURY RISING

NASA probe aims to unlock Mercury's secrets
NASA scientists pored Wednesday over stunning new images of Mercury as their MESSENGER probe began a year-long mission to map the surface of the solar system's least-understood planet. ... more
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MERCURY RISING

MESSENGER offers close-up of mysterious Mercury
NASA celebrated Wednesday hundreds of stunning photographs from the Mercury MESSENGER probe as it began a year-long mission to orbit and map the solar system's mysterious innermost planet. ... more
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24/7 News Coverage
SMOS mission reveals 15-year global forest carbon storage trends
Pacific algae invade Algeria beaches, pushing humans and fish away
Water shortages spell trouble on Turkey's tourist coast
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IRON AND ICE

When Is An Asteroid Not An Asteroid
On March 29, 1807, German astronomer Heinrich Wilhelm Olbers spotted Vesta as a pinprick of light in the sky. Two hundred and four years later, as NASA's Dawn spacecraft prepares to begin orbiting t ... more
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STELLAR CHEMISTRY

The Big Rock Candy Solar System
The earliest rocks in our solar system were more like candy floss than the hard rock that we know today, according to research published in the journal Nature Geoscience. The earliest rocks in ... more
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EXO WORLDS

NASA Announces 2011 Carl Sagan Fellows
NASA has selected five potential discoverers as the recipients of the 2011 Carl Sagan Postdoctoral Fellowships, named after the late astronomer. The Carl Sagan Fellowship takes a theme-based approac ... more
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TIME AND SPACE

Rare Particles Produced At The Large Hadron Collider At CERN Observed
Shortly after experiments on the Large Hadron Collider (LHC) at the CERN laboratory near Geneva, Switzerland began yielding scientific data last fall, a group of scientists led by a Syracuse Univers ... more
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PHYSICS NEWS

Follow The GOCE Results Press Briefing Live
In just two years ESA's GOCE gravity satellite has gathered enough data to map Earth's gravity with unprecedented detail. On 31 March, a press briefing focusing on the results of the mission will be ... more
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MERCURY RISING

NASA releases picture of Mercury's surface
NASA on Tuesday released the first picture taken of Mercury's surface by the US space agency's orbiting Messenger craft. ... more
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EXO LIFE

Life Stinks Says New Analysis
The origin of life may have been smelly, according to a recent, NASA-funded analysis of residue from a variant of classic experiments performed by Dr. Stanley Miller in the 1950s. "One of the ... more
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STELLAR CHEMISTRY

New Evidence About Beginnings Of The Solar System
The earliest rocks in our Solar System were more like candy floss than the hard rock that we know today, according to research published in the journal Nature Geoscience. The work, by research ... more
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24/7 Energy News Coverage
Study: Most US homes can save money and affordably weather blackouts with solar plus storage
Ultrasmall optical devices rewrite the rules of light manipulation
SFU researchers develop a new tool that brings blender-like lighting control to any photograph
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STELLAR CHEMISTRY

Simulating Tomorrow's Accelerators At Near The Speed Of Light
As conventional accelerators like CERN's Large Hadron Collider grow ever more vast and expensive, the best hope for the high-energy machines of the future may lie in "tabletop" accelerators like BEL ... more
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STELLAR CHEMISTRY

Exploding Stars And Stripes
The discovery of a pattern of X-ray "stripes" in the remains of an exploded star may provide the first direct evidence that a cosmic event can accelerate particles to energies a hundred times higher ... more
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SKY NIGHTLY

Suzaku Shows Clearest Picture Yet Of Perseus Galaxy Cluster
X-ray observations made by the Suzaku observatory provide the clearest picture to date of the size, mass and chemical content of a nearby cluster of galaxies. The study also provides the first direc ... more
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IRON AND ICE

Stardust Fires Up Main Engine For Final Burn
On Thursday, March 24 at about 4 p.m. PDT (7 p.m. EDT), NASA's Stardust spacecraft will perform a final burn with its main engines. At first glance, the burn is something of an insignificant e ... more
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EXO LIFE

Mutant Microbes Test Radiation Resistance
Early Earth lacked an ozone layer to act as a shield against high-energy solar radiation, but microbes flourished by adapting to or finding other forms of protection from the higher ultraviolet radi ... more
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STELLAR CHEMISTRY

INTEGRAL Discovers Gamma Rays Originating From Black Hole Jets
Can the powerful jets originating from the vicinity of black holes emit gamma rays? ESA's INTEGRAL observatory has shown that they can. An extensive study of Cygnus X-1, a binary system that hosts a ... more
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STELLAR CHEMISTRY

A Very Cool Pair Of Brown Dwarfs
Observations with the European Southern Observatory's Very Large Telescope, along with two other telescopes, have shown that there is a new candidate for the coldest known star: a brown dwarf in a d ... more
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EXO LIFE

Life Lessons In The UAE
Whether or not you remember the winter of 2011 as unusually cold or snowy, an adventurous team of experts will remember its intense heat, as they searched for microbial life between sand dunes in th ... more
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