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Public Release: 9-May-2008
Scientists endure Arctic for last campaign prior to CryoSat-2 launch
An international group of scientists has swapped their comfortable offices for one of the most inhospitable environments on the planet to carry out a challenging field campaign that is seen as the key to ensuring the data delivered by ESA's ice mission CryoSat will be as accurate as possible.
Contact: Malcolm Davidson
malcolm.davidson@esa.int
31-715-655-957
European Space Agency
Public Release: 9-May-2008
The Antennae Galaxies move closer
New research on the Antennae Galaxies using the Advanced Camera for Surveys onboard the NASA/ESA Hubble Space Telescope shows that this benchmark pair of interacting galaxies is in fact much closer than previously thought -- 45 million light-years instead of 65 million light-years.
Contact: Lars Lindberg Christensen
lars@eso.org
49-893-200-6306
ESA/Hubble Information Centre
Public Release: 8-May-2008
NCAR installs 76-teraflop supercomputer for critical research on climate change, severe weather
Computer analyses of global climate have consistently overstated warming in Antarctica, new research concludes. The study can help scientists improve computer models and determine if Earth's southernmost continent will warm significantly this century, a major research question because of Antarctica's potential impact on global sea-level rise.
National Science Foundation
Contact: David Hosansky
hosansky@ucar.edu
303-497-8611
National Center for Atmospheric Research/University Corporation for Atmospheric Research
Public Release: 8-May-2008
Chilean volcano captured blasting ash
Chile's Chaiten Volcano is shown spewing ash and smoke (centre left of image) into the air for hundreds of km over Argentina's Patagonia Plateau in this Envisat image acquired on May 5, 2008.
Contact: Mariangela D'Acunto
mariangela.dacunto@esa.int
39-069-418-0856
European Space Agency
Public Release: 7-May-2008
Geophysical Research Letters
Iron 'snow' helps maintain Mercury's magnetic field, scientists say
New scientific evidence suggests that deep inside the planet Mercury, iron "snow" forms and falls toward the center of the planet, much like snowflakes form in Earth's atmosphere and fall to the ground. The movement of this iron snow could be responsible for Mercury's mysterious magnetic field.
National Science Foundation
Contact: James E. Kloeppel
kloeppel@uiuc.edu
217-244-1073
University of Illinois at Urbana-Champaign
Public Release: 7-May-2008
Conference on Lasers and Electro-Optics
European Physics Journal D
Record-setting laser may aid searches for Earthlike planets
Scientists at the University of Konstanz in Germany and the National Institute of Standards and Technology have demonstrated an ultrafast laser that offers a record combination of high speed, short pulses and high average power and that could boost the sensitivity of astronomical tools searching for other Earthlike planets as much as 100 fold.
Contact: Laura Ost
laura.ost@nist.gov
303-497-4880
National Institute of Standards and Technology (NIST)
Public Release: 7-May-2008
GIOVE-B transmitting its first signals
Following a successful launch on April 27, GIOVE-B began transmitting navigation signals today. This is a truly historic step for satellite navigation since GIOVE-B is now, for the first time, transmitting the GPS-Galileo common signal using a specific optimised waveform, MBOC (multiplexed binary offset carrier), in accordance with the agreement drawn up in July 2007 by the EU and the US for their respective systems, Galileo and the future GPS III.
Contact: ESA Media Relations Office
media@esa.int
33-153-697-299
European Space Agency
Public Release: 7-May-2008
Cyclone Nargis and Myanmar floods seen from space
Envisat captured Cyclone Nargis making its way across the Bay of Bengal just south of Myanmar on May 1, 2008. The cyclone hit the coastal region and ripped through the heart of Myanmar on Saturday, devastating the country.
Contact: Mariangela D'Acunto
mariangela.dacunto@esa.int
39-069-418-0856
European Space Agency
Public Release: 7-May-2008
Astronomy & Astrophysics
XMM-Newton discovers part of the missing matter in the universe
A team of Dutch and German astronomers have discovered part of the missing matter in the Universe using the European X-ray satellite XMM-Newton. They observed a filament of hot gas connecting two clusters of galaxies. This tenuous hot gas could be part of the missing "baryonic" matter. Their findings are being published in Astronomy & Astrophysics.
Contact: Dr. Jennifer Martin
aanda.paris@obspm.fr
Astronomy & Astrophysics
Public Release: 5-May-2008
ESA contributes to ocean carbon cycle research
The Earth's oceans play a vital role in the carbon cycle, making it imperative that we understand marine biological activity enough to predict how our planet will react to the extra 25,000 million tons of carbon dioxide humans are pumping into the atmosphere annually.
Contact: Mariangela D'Acunto
mariangela.dacunto@esa.int
39-069-418-0856
European Space Agency
Public Release: 2-May-2008
Solar games at Paranal
Cerro Paranal, home of ESO's Very Large Telescope, is certainly one of the best astronomical sites on the planet. Stunning images, obtained by ESO staff at Paranal, of the green and blue flashes, as well as of the so-called "Gegenschein," are real cases in point.
Contact: Henri Boffin
hboffin@eso.org
ESO
Public Release: 2-May-2008
Updated version of GAIM model goes operational
An updated version of the Global Assimilation of Ionospheric Measurements model went operational at the Air Force Weather Agency on Feb. 22, 2008. The operational GAIM program has been under development since 1999 by the US Department of Defense and is managed by the Naval Research Laboratory's Space Science Division. This new version of GAIM is capable of ingesting ultraviolet data sets from DMSP satellites.
Contact: NRL Public Affairs Office
nrlpao@nrl.navy.mil
202-767-2541
Naval Research Laboratory
Public Release: 2-May-2008
NASA calls on APL to send a probe to the sun
NASA has chosen the Johns Hopkins University Applied Physics Laboratory to send a spacecraft closer to the sun than any probe has ever gone.
NASA
Contact: Michael Buckley
michael.buckley@jhuapl.edu
240-228-7536
Johns Hopkins University
Public Release: 2-May-2008
Monthly Notices of the Royal Astronomical Society
Did the solar system 'bounce' finish the dinosaurs?
A new study from the Cardiff Centre for Astrobiology suggests the solar system passes through the plane of the galaxy every 35 to 40 million years. The period coincides with evidence of crater impact and mass extinctions on Earth. The paper suggests gravitational forces from gas and dust clouds in the galactic plane send comets into the inner solar system and into the path of the Earth.
Contact: Chandra Wickramasinghe
wickramasinghe@cardiff.ac.uk
44-292-087-4201
Cardiff University
Public Release: 1-May-2008
Geotimes: Venturing to Venus
What can be gained from a new mission to Earth's twin planet? In the latest issue of Geotimes magazine, the mysteries of Venus are explored.
Contact: Megan Sever
kms@agiweb.org
American Geological Institute
Public Release: 1-May-2008
Astronomers discover new type of pulsating white dwarf star
University of Texas at Austin astronomers Michael H. Montgomery and Kurtis A. Williams, along with graduate student Steven DeGennaro, have predicted and confirmed the existence of a new type of variable star, with the help of the 2.1-meter Otto Struve Telescope at McDonald Observatory. The discovery is announced in today's issue of Astrophysical Journal Letters.
Contact: Diane Banegas
dbanegas@nsf.gov
703-292-4489
National Science Foundation
Public Release: 1-May-2008
Nature Geoscience
FSU geochemist challenges key theory regarding Earth's formation
Working with colleagues from NASA, a Florida State University researcher has published a paper that calls into question three decades of conventional wisdom regarding some of the physical processes that helped shape the Earth as we know it today.
Contact: Munir Humayun
humayun@magnet.fsu.edu
850-644-1908
Florida State University
Public Release: 1-May-2008
Physics World
Searching the heavens
A new space mission, due to launch this month, is going to shed light on some of the most extreme astrophysical processes in nature -- including pulsars, remnants of supernovae, and supermassive black holes. It could even help us comprehend the origin and distribution of dark matter, write three scientists currently preparing for the GLAST mission from NASA's Goddard Space Flight Center in Greenbelt, Md., USA, in this month's Physics World.
Contact: Joe Winters
joseph.winters@iop.org
44-020-747-04815
Institute of Physics
Public Release: 30-Apr-2008
CU-Boulder researchers forecast 3-in-5 chance of record low Arctic sea ice in 2008
New University of Colorado at Boulder calculations indicate the record low minimum extent of sea ice across the Arctic last September has a three-in-five chance of being shattered again in 2008 because of continued warming temperatures and a preponderance of younger, thinner ice.
National Science Foundation, National Oceanic and Atmospheric Administration, NASA
Contact: Sheldon Drobot
sheldon.drobot@colorado.edu
303-492-8143
University of Colorado at Boulder
Public Release: 30-Apr-2008
Astrophysical Journal Letters
NASA satellite pins down timer in stellar ticking time bomb
Using observations from NASA's Rossi X-ray Timing Explorer, an international team of astronomers has discovered a timing mechanism that allows them to predict exactly when a superdense star will unleash incredibly powerful explosions.
NASA, University of Amsterdam
Contact: Robert Naeye
Robert.P.Naeye@nasa.gov
301-286-4453
NASA/Goddard Space Flight Center
Public Release: 30-Apr-2008
Nature
Scientists find rings of Jupiter are shaped in shadow
Scientists from the University of Maryland and the Max-Planck Institute for Solar System Research in Germany appear to have solved a long-standing mystery about the cause of anomalies in Jupiter's gossamer rings.
NASA
Contact: Lee Tune
ltune@umd.edu
301-405-4679
University of Maryland
Public Release: 29-Apr-2008
Physical Review Letters
High-flying electrons may provide new test of quantum theory
Researchers at NIST and the Max Planck Institute for Physics in Germany believe they can achieve a significant increase in the accuracy of one of the fundamental constants of nature by boosting an electron to an orbit as far as possible from the atomic nucleus that binds it. The experiment could put the modern theory of the atom to the most stringent tests yet.
Max Planck Institute for Physics
Contact: Ben Stein
bstein@nist.gov
301-975-3097
National Institute of Standards and Technology (NIST)
Public Release: 29-Apr-2008
Artificial intelligence boosts science from Mars
Artificial intelligence being used at the European Space Operations Center is giving a powerful boost to ESA's Mars Express as it searches for signs of past or present life on the Red Planet.
Contact: ESA Corporate Communication Office
Jocelyne.Landeau-Constantin@esa.int
49-615-190-2516
European Space Agency
Public Release: 29-Apr-2008
Compact galaxies in early universe pack a big punch
Using the Near Infrared Camera and Multi-Object Spectrometer onboard the Hubble NASA/ESA Hubble Space Telescope, astronomers have made observations of young, surprisingly compact galaxies, each only 5,000 light-years across, but weighing 200 billion times the mass of the Sun.
Contact: Lars Lindberg Christensen
lars@eso.org
49-893-200-6306
ESA/Hubble Information Centre
Public Release: 29-Apr-2008
Astrophysical Journal Letters
Ultra-dense galaxies found in early universe
A team of astronomers looking at the universe's distant past found nine young, unusually compact galaxies, each weighing in at 200 billion times the mass of the sun. The findings appeared in the April 10 issue of the Astrophysical Journal Letters. These young galaxies are the equivalent of a human baby that is 20 inches long, yet weighs 180 pounds.
Contact: Janet Rettig Emanuel
janet.emanuel@yale.edu
203-432-2157
Yale University
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