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Astronomy News

Your online destination for news articles on planets, cosmology, NASA, space missions, and more. You’ll also find information on how to observe upcoming visible sky events such as meteor showers, solar and lunar eclipses, key planetary appearances, comets, and asteroids.

December 2010
eso
Joining the European Southern Observatory will give Brazil new impetus in the development of science, technology, and innovation.
By ESO, Garching, Germany
Published: December 30, 2010
2000th-comet
Drawing on help from citizen scientists around the world, SOHO has become the single greatest comet finder of all time.
By NASA's Goddard Space Flight Center, Greenbelt, Maryland
Published: December 29, 2010
black-hole
This initial era of growth occurred when the universe was only about 1.2 billion years old.
By American Friends of Tel Aviv University, Israel
Published: December 28, 2010
Meteor_finder_chart

The Quadrantids, one of the best but least-known meteor showers, will shine in the new year.

By Michael E. Bakich
Published: December 27, 2010
Asteroid Scheila 596
Further investigation reveals that the object is cataloged as asteroid (596) Scheila, discovered in 1906. The extraterrestrial rock is tumbling roughly between the orbits of Mars and Jupiter, out of the ecliptic plane in which most planets and asteroids travel.
By University of Arizona-Tucson
Published: December 27, 2010
Enceladus
Scientists hope this flyby will help them learn more about Enceladus’ tenuous atmosphere and understand the rate of micrometeoroid bombardment in the Saturn system to determine the age of Saturn's main rings.
By NASA/JPL
Published: December 22, 2010
supermassive black holes
Trying to figure out how many black holes are active at any time is important for understanding how they grow within galaxies and how this growth is affected by their environment.
By Chandra X-ray Center, Cambridge, Massachusetts, Marshall Space Flight Center, Huntsville, Alabama
Published: December 21, 2010
odyssey20101215
Odyssey's longevity enables continued science, including the monitoring of seasonal changes on Mars from year to year and the most detailed maps ever made of most of the planet.
By NASA/JPL
Published: December 20, 2010
earthmagnet
The magnetic field strength in the core is 50 times stronger than that at Earth’s surface.
By University of California, Berkeley
Published: December 20, 2010
Asteroid-collision
Scientists discovered amino acids on a meteorite that came from an asteroid once heated so much that organic molecules should have been destroyed.
By NASA's Goddard Space Flight Center, Greenbelt, Maryland
Published: December 17, 2010
Hot starburst
Scientists’ measurements confirm that stars formed most rapidly about 11 billion years ago and that the rate of star formation is much faster than was thought.
By Royal Astronomical Society, United Kingdom
Published: December 17, 2010
SNR0509
The gaseous envelope formed as the expanding blast wave and ejected material from a supernova tore through the nearby interstellar medium.
By Hubble ESA, Garching, Germany
Published: December 16, 2010
Dark-gammy-ray-burst
Astronomers conclude that most dark gamma-ray bursts are those that have had their small amount of visible light completely stripped away before it reaches Earth.
By ESO, Garching, Germany
Published: December 16, 2010
Plasma-sheet-profile
IBEX data provide the first image of the plasma sheet that attaches to Earth at both ends, bottling up denser plasma within the magnetotail.
By Southwest Research Institute, San Antonio, Texas
Published: December 15, 2010
Schiaparelli
Many geological processes have modified the interior of the basin’s flows of lava to create the smooth plains and watery sediments.
By ESA, Noordwijk, Netherlands
Published: December 15, 2010
Lunar eclipse
The Moon hides in Earth’s shadow for the first time in more than 2½ years.
By Michael E. Bakich
Published: December 14, 2010
Qatar-1b
This hot Jupiter marks a new era of collaborative research between Qatar, the United Kingdom, and the United States.
By Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts
Published: December 14, 2010
voyager1
Voyager 1 has crossed into an area where the velocity of hot ionized gas emanating outward from the Sun has slowed to zero.
By NASA Headquarters, Washington, D.C.
Published: December 14, 2010
planet final growth spurt
Researchers contend that planets gained their final mass from comet or asteroid impacts.
By NASA Headquarters, Washington, D.C.
Published: December 13, 2010
SaturnRingsMoonsFormation
Scientists believe Saturn’s rings consisted of pure ice when they formed. This composition is unusual compared to the approximately half-ice and half-rock mixture expected for materials in the outer solar system.
By Southwest Research Institute, San Antonio, Texas
Published: December 13, 2010
SpaceX Falcon 9
The test flight was the first under a NASA contract set up to encourage private companies to ship cargo to the International Space Station.
By NASA Headquarters, Washington, D.C.
Published: December 10, 2010
asteroid
The findings provide new evidence that gold, platinum, palladium, and other iron-loving elements found in the crusts and mantles of Earth, the Moon, and Mars arrived on mini-planet-sized impactors during the final phase of planet formation in our solar system.
By the University of Maryland, College Park
Published: December 10, 2010
M107
Studying these stellar swarms has revealed much about the history of our galaxy and how stars evolve.
By ESO, Garching, Germany
Published: December 9, 2010
WASP-12b
Planet WASP-12b might harbor graphite, diamond, or even a more exotic form of carbon in its interior.
By NASA/JPL
Published: December 9, 2010
Total solar eclipse
These imagers stood above the rest and took home honors as Best in Class.
By Karri Ferron
Published: December 9, 2010
Zirconium star
It is estimated that the zirconium layer seen in LS IV-14 116 would weigh about 4 billion tons, or 4,000 times the world's annual production of zirconium.
By Royal Astronomical Society, United Kingdom
Published: December 8, 2010
Sun 3-D
New research indicates that one-third of solar eruptions may occur without warning.
By Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts
Published: December 8, 2010
2010 Out-of-this-world Award logo
Astronomy's Out-of-this-world Award recognizes excellence in astronomy outreach. The winning group receives $2,500 to put toward public programming.
By Bill Andrews
Published: December 7, 2010
Large-bino-scope
Astronomers hope to probe nearby solar systems, specifically the areas in these systems where earthlike planets with liquid water could exist.
By Joshua Rodriguez/PlanetQuest
Published: December 7, 2010
geminid-meteors
One of the finest meteor showers of 2010, the Geminids should put on a rousing show the night of December 13/14.
By Richard Talcott
Published: December 7, 2010
Discovery-cracks
Cracks on two 21-foot-long, U-shaped aluminum brackets on the shuttle's external tank caused delay.
By NASA Headquarters, Washington, D.C.
Published: December 6, 2010
neutron-stars-merger
The results provide valuable information for researchers at gravitational-wave detectors.
By University of California - Santa Cruz
Published: December 6, 2010
Enceladus tiger stripes
The new views will help scientists understand how these fissures deliver heat to the Saturnian moon’s surface.
By NASA/JPL, CICLOPS, Boulder, Colorado
Published: December 2, 2010
Elliptical galaxy
Scientists find that stellar population counts depend on the type of galaxy being examined.
By Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts
Published: December 2, 2010
Arsenic-microbe
This finding of an alternative biochemistry makeup will alter biology textbooks and expand the scope of the search for life beyond Earth.
By NASA Headquarters, Washington, D.C.
Published: December 2, 2010
Venus-clouds
Injecting our atmosphere with sulfur droplets to mitigate climate change may not be a good idea as once thought.
By ESA, Noordwijk, Netherlands
Published: December 1, 2010
super-Earth exoplanet
Scientists now know that the atmosphere is either mostly water in the form of steam or dominated by thick clouds or hazes.
By ESO, Garching, Germany
Published: December 1, 2010
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