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October 31, 2011
STELLAR CHEMISTRY
Pacman Nebula Gets Some Teeth
Pasadena CA (JPL) Oct 31, 2011
To visible-light telescopes, this star-forming cloud appears to be chomping through the cosmos, earning it the nickname the "Pacman" nebula, like the famous Pac-Man video game that debuted in 1980. When viewed in infrared light by NASA's Wide-field Infrared Survey Explorer, or WISE, the Pacman takes on a new appearance. In place of its typical, triangle-shaped mouth is a new set of lower, sharp-looking teeth. The Pacman is located at the top of the picture, taking a bite in the direction of ... read more

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STELLAR CHEMISTRY

Astronomers Pin Down Galaxy Collision Rate
A new analysis of Hubble surveys, combined with simulations of galaxy interactions, reveals that the merger rate of galaxies over the last 8 billion to 9 billion years falls between the previous est ... more
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TIME AND SPACE

Planets smashed into dust near supermassive black holes
Fat doughnut-shaped dust shrouds that obscure about half of supermassive black holes could be the result of high speed crashes between planets and asteroids, according to a new theory from an intern ... more
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IRON AND ICE

The Lutetia asteroid - a prehistoric relic
New information has been published about the Lutetia asteroid that was observed in 2010 and its properties. The analysis of the data collected during the spacecraft fly-by indicates that Lutetia is ... more
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Space News from SpaceDaily.com
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STELLAR CHEMISTRY

Faster-than-light experiment to run again
An experiment in Europe that seemed to suggest some sub-atomic particles were traveling faster than the speed of light will be run again, scientists said. ... more
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SOLAR SCIENCE

A Solar Cycle Primer From SDO
Telescopes spotted the first blemish on the Sun in 1611. While the Sun had long been thought - at least in the Western world - to be an unchanging, "perfect" orb, sky-watchers observed black sunspot ... more
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IRON AND ICE

Rosetta reveals the science and mystery of Asteroid Lutetia
On 10 July 2010, ESA's Rosetta spacecraft flew past asteroid (21) Lutetia, one of the largest objects orbiting within the main asteroid belt between Mars and Jupiter. Rosetta's encounter revealed an ... more
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EXO LIFE

An Alien Code Close to Home: Seeking ET Beyond the Radio Silence
Any intelligent extraterrestrial life that exists probably won't announce itself by blowing up the White House, or win over the hearts of children as a lovable alien with a glowing finger. Man ... more
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Military Space News, Nuclear Weapons, Missile Defense
New MachLab rocket test site launches UK into next phase of space engineering
Ukraine's anti-graft body says new bill restores independence
Iran meets European powers amid threats of UN sanctions snapback
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EXO WORLDS

Three New Planets and a Mystery Object Discovered Outside Our Solar System
Three planets - each orbiting its own giant, dying star - have been discovered by an international research team led by a Penn State University astronomer. Using the Hobby-Eberly Telescope, astronom ... more
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STELLAR CHEMISTRY

Astronomers discover complex organic matter in the universe
In the current issue of the journal Nature, astronomers report that organic compounds of unexpected complexity exist throughout the Universe. The results suggest that complex organic compounds are n ... more
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IRON AND ICE

Up close, asteroid seen to be chunk of would-be planet
A rare opportunity to observe an asteroid at close quarters has unveiled a remarkable rock that seems to be a precursor of a planet, astronomers reported on Thursday. ... more
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EXO LIFE

Most vertebrates descended from ancestor with sixth sense
People experience the world through five senses but sharks, paddlefishes and certain other aquatic vertebrates have a sixth sense: They can detect weak electrical fields in the water and use this in ... more
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EXO WORLDS

Dwarf planet sized up accurately as it blocks light of faint star
Astronomers have accurately measured the diameter of the faraway dwarf planet Eris for the first time by catching it as it passed in front of a faint star. This event was seen at the end of 2010 by ... more
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IRON AND ICE

NASA Says Comet Elenin Gone and Should Be Forgotten
Comet Elenin is no more. Latest indications are this relatively small comet has broken into even smaller, even less significant, chunks of dust and ice. This trail of piffling particles will remain ... more
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SOLAR SCIENCE

UNH Scientists Land Roles in European and Japanese Space Missions
Scientists and engineers from the University of New Hampshire's Space Science Center (SSC) have been selected to provide instruments for two upcoming satellite missions led by the European Space Age ... more
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SOLAR SCIENCE

STEREO Mission Celebrates Five Incredible Years of Science
On October 25, 2006, a Delta II rocket launched from Cape Canaveral carrying two nearly identical spacecraft. Each satellite was one half of a mission entitled Solar TErrestrial RElations Observator ... more
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24/7 News Coverage
Australia's mammal megafauna face long-term decline from extinctions and invasive species
Alien life clues may emerge from deep sea volcanic vents on Earth
Seismic signatures reveal fragmentation patterns of fireball meteoroids
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IRON AND ICE

NASA in Final Preparations for Nov 8 Asteroid Flyby
NASA scientists will be tracking asteroid 2005 YU55 with antennas of the agency's Deep Space Network at Goldstone, Calif., as the space rock safely flies past Earth slightly closer than the moon's o ... more
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MERCURY RISING

Strange Hollows Discovered on Mercury
NASA's MESSENGER spacecraft has discovered strange hollows on the surface of Mercury. Images taken from orbit reveal thousands of peculiar depressions at a variety of longitudes and latitudes, rangi ... more
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IRON AND ICE

Researchers Explain the Formation of Scheila's Unusual Triple Dust Tails
A research team of planetary scientists and astronomers, primarily from Seoul National University, the National Astronomical Observatory of Japan (NAOJ), the Institute of Space and Astronautical Sci ... more
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OUTER PLANETS

Starlight study shows Pluto's chilly twin
Sky-watchers reported on Wednesday that a small planet in deep space that triggered one of the fiercest controversies in modern astronomy appears to be a colder "twin" of Pluto. ... more
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STELLAR CHEMISTRY

German scientists ready for the hunt on dark energy
The German and Russian partners of the new eROSITA X-ray space observatory have now agreed on how to split the data from the first four years of an all sky survey. This decision was announced ... more
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TECH SPACE

ROSAT re-entered atmosphere over Bay of Bengal
On 23 October 2011 at 03:50 CEST, the German research satellite ROSAT re-entered the atmosphere over the Bay of Bengal; it is not known whether any parts of the satellite reached Earth's surface. ... more
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SOLAR SCIENCE

PPPL scientists bring mysterious magnetic process down to earth
With the click of a computer mouse, a scientist at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) sends 10,000 volts of electricity into a chamber filled with hydrogen ga ... more
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MERCURY RISING

Fourth Orbit Adjustment Stretches MESSENGER Orbit around Mercury
The MESSENGER spacecraft successfully completed its fourth orbit-correction maneuver to increase the period of the spacecraft's orbit around the innermost planet from 11 hours 46 minutes to a precis ... more
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24/7 Energy News Coverage
NASA's X-59 moves under its own power
Sri Lanka orders Singapore shipowner to pay US$1 bn over marine disaster
More than 80% of Tuvalu seeks Australian climate visa
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EXO WORLDS

Herschel Finds Oceans of Water in Disk of Nearby Star
Using data from the Herschel Space Observatory, astronomers have detected for the first time cold water vapor enveloping a dusty disk around a young star. The findings suggest that this disk, ... more
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STELLAR CHEMISTRY

Close Encounters of the Galactic Kind
Astronomers have used a large survey to test a prediction that close encounters between galaxies can trigger the rapid growth of supermassive black holes. Key to this work was Chandra's unique abili ... more
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STELLAR CHEMISTRY

NASA Telescopes Help Solve Ancient Supernova Mystery
A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved. New infrared observations from NASA's Spitzer ... more
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EXO WORLDS

Herschel discovers tip of cosmic iceberg around nearby young star
Using ESA's Herschel Space Observatory to study one of the closest protoplanetary discs to Earth, astronomers have detected cold water vapour for the first time in such an environment. Located ... more
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EXO WORLDS

UH Astronomer Finds Planet in the Process of Forming
The first direct image of a planet in the process of forming around its star has been captured by University of Hawaii astronomer Adam Kraus. What astronomers are calling LkCa 15 b, looks like ... more
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STELLAR CHEMISTRY

Diamonds, silver and the quest for single photons
Building on earlier work showing how nanowires carved in impurity-laden diamond crystal can efficiently emit individual photons, researchers have developed a scalable manufacturing process to craft ... more
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STELLAR CHEMISTRY

Dark Matter Mystery Deepens
Like all galaxies, our Milky Way is home to a strange substance called dark matter. Dark matter is invisible, betraying its presence only through its gravitational pull. Without dark matter holding ... more
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STELLAR CHEMISTRY

Ancient blue stragglers
Mysterious "blue stragglers" are old stars that appear younger than they should be: they burn hot and blue. Several theories have attempted to explain why they don't show their age, but, until now, ... more
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