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Comet C/2011 L4 (PANSTARRS)

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Comet C/2012 S1 (ISON)

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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.

March 2009
Mars500
Study provides the knowledge of how to keep a small crew psychologically and physiologically healthy and, ultimately, to succeed in bringing humankind to Mars and safely back to Earth.
Provided by ESA, Noordwijk, Netherlands
Published: March 31, 2009
Webcast map
People from around the globe will share the experience and wonders of observing the sky.
Provided by the International Astronomical Union, Garching, Germany
Published: March 30, 2009
Bow shock
Characterizing the properties of the magnetic turbulence in this region is of prime importance to understand its role in fundamental processes such as energy dissipation or the acceleration of particles to high-energies.
Provided by ESA, Noordwijk, Netherlands
Published: March 27, 2009
Dark Sky Discovery Sites
To celebrate the International Year of Astronomy 2009, the world's first Dark Sky Discovery Sites were announced in Scotland.
Provided by the Science and Technology Facilities Council, United Kingdom
Published: March 26, 2009
ALMA plans
The instrument is expected to detect extremely faint signals from space.
Provided by the Science and Technology Facilities Council, United Kingdom
Published: March 26, 2009
2008 TC3 contrail
The meteorites from 2008 TC3 are anomalous ureilites -dark, porous, and rich in highly cooked carbon. This new material may serve to rule out many theories about the origin of ureilites.
Provided by SETI, Mountain View, California
Published: March 25, 2009
Micro-quasar GRS 1915
Self-regulation is a common topic when discussing supermassive black holes, but this is the first clear evidence for it in a system containing a stellar-mass black hole.
Provided by NASA Headquarters, Washington, D.C.
Published: March 25, 2009
Hubble Space Telescope
The update will aid the telescope's investigation of active galactic nuclei.
Provided by the Rochester Institute of Technology, New York
Published: March 25, 2009
Twin Earths
Astronomers need a handful of transits to decipher a planet's atmosphere and possibly confirm the existence of the first twin Earth.
Provided by the Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts
Published: March 24, 2009
3-D flyover of Saturn's moon Titan
More 3-D mapping of these lakes will help refine these depth estimates and determine the volume of liquid hydrocarbons that exist on Titan.
Provided by Jet Propulsion Laboratory, Pasadena, C
Published: March 24, 2009
SPICE
The instruments's data will advance our knowledge of the Sun's dynamics to better understand how it affects Earth and the solar system.
Provided by the Southwest Research Institute, Boulder, Colorado
Published: March 23, 2009
NGC 266 with SN 2005gl
Experts believe this finding may require a revision of stellar evolution theory.
Provided by STScI, Baltimore, Maryland
Published: March 23, 2009
Solar twists
Alfven waves are caused by the twisting of structures in the Sun's atmosphere and can be detected by the periodic velocity signals emitted.
Provided by the Science and Technology Facilities Council, United Kingdom
Published: March 20, 2009
Mars erosion features
The Red Planet's Aram Chaos region shows a significant concentration of sulphates and ferric oxides.
Provided by ESA, Noordwijk, Netherlands
Published: March 20, 2009
Endeavor crater
Opportunity is on its way to Endeavor Crater while Spirit makes its trek to the western side of Home Plate.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: March 19, 2009
Blazars
The various constituents of the jets in blazars interact in fairly complicated ways to produce the radiation that the instruments observe.
Provided by Goddard Space Flight Center, Greenbelt, Maryland
Published: March 19, 2009
NGC 6240
In the center of NGC 6240, the two black holes in the cores will whip up a frenzy of radiation as they careen towards one another head-on.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: March 18, 2009
Saturn moon transit
These rare moon transits only happen when the tilt of Saturn's ring plane is nearly "edge on" as seen from Earth.
Provided by STScI, Baltimore, Maryland
Published: March 18, 2009
Mars soil sample
This is the first time liquid water has been detected and photographed outside Earth. This discovery has important implications to many areas of planetary exploration.
Provided by the University of Michigan, Ann Arbor
Published: March 17, 2009
Arp261
Two interacting galaxies create Arp 261's chaotic and unusual structure.
Provided by ESO, Garching, Germany
Published: March 16, 2009
International Space Station
Flight STS-119 is carrying the space station's final set of solar array wings, completing the station's truss, or backbone.
Provided by NASA Headquarters, Washington, D.C.
Published: March 16, 2009
Carbon
Studying the chemistry of these stars helps scientists learn how the matter that makes up Earth and other planets in our galaxy left its stellar birthplaces long ago.
Provided by the University of Maryland, College Park
Published: March 13, 2009
Google Mars 3D colorized terrain
Google 3-D update brings you images from the Mars Odyssey spacecraft — in some cases, within hours of the images being beamed back to Earth from the Mars Odyssey spacecraft. Astronomy magazine spoke with one of the key people at Google behind this exciting new application.
By Daniel Pendick
Published: March 13, 2009
Perseus
The Hubble images provide further evidence that a "cushion" of dark matter enshrouds undisturbed galaxies.
Provided by STScI, Baltimore, Maryland
Published: March 12, 2009
2001 Mars Odyssey Spacecraft
The procedure also restored Odyssey's onboard set of backup systems.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: March 12, 2009
This is only the second time in Cassini's 11 years of flight that the engineering teams have gone to a backup system.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: March 12, 2009
Kepler mission
Calculating the planet candidate's mass is important because it tells astronomers whether a planet or another star is eclipsing the parent star.
Provided by the W. M. Keck Observatory, Mauna Kea, Hawaii
Published: March 10, 2009
Kepler satellite
Kepler will give us our first look at the frequency of Earth-sized planets in our Milky Way Galaxy.
Provided by NASA Headquarters, Washington, D.C.
Published: March 9, 2009
Space shuttle mission: STS-119
Discovery's STS-119 flight will deliver the space station's fourth and final set of solar array wings.
Provided by NASA Headquarters, Washington, D.C.
Published: March 9, 2009
Spirit Begins Drive Around Home Plate
Insufficient traction forces mission scientists to guide the rover on an indirect path to its next destination on the Red Planet.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: March 6, 2009
Kepler mission objectives
Keep up with Astronomy magazine's coverage of the Kepler mission. Here you'll find the latest headlines and blogs about Kepler.
Published: March 6, 2009
Mars Odyssey
Scientists will reboot the spacecraft's computer, but this is not a risk-free event.
Provided by the Jet Propulsion Laboratory, Pasadena, California
Published: March 5, 2009
Saturn finder chart March 2009
The ringed planet's best appearance in 2009 happens now.
By Michael E. Bakich
Published: March 5, 2009
Binary black hole system
If two black holes are present, they would have a characteristic dual signature in their emission lines. This signature has now been found.
Provided by NOAO, Tucson, Arizona
Published: March 5, 2009
Pluto
By observing stellar occultations, astronomers were able to demonstrate that Pluto's upper atmosphere was some 50° warmer than the surface.
Provided by ESO, Garching, Germany
Published: March 4, 2009
Saturn moonlet
Scientists found the tiny moonlet after analyzing images acquired by Cassini.
Provided by CICLOPS, Boulder, Colorado
Published: March 4, 2009
Arp 274
About 140,000 people chose a pair of interesting spiral galaxies as a target for the Hubble Space Telescope.
Provided by STScI, Baltimore, Maryland
Published: March 3, 2009
Trio of galaxies
The galaxies are experiencing a strong gravitational interaction, and a significant number of stars has been ripped away from their home galaxies.
Provided by STScI, Baltimore, Maryland
Published: March 3, 2009
Gamma-ray burst
By looking at the earlier moments of gamma-ray bursts, scientists will be able to find out more about the galaxies that host them and the impact the explosions have on their environment.
Provided by the Science and Technology Facilities Council, United Kingdom
Published: March 2, 2009
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