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![]() Moffett Field CA (SPX) Dec 09, 2009 When NASA's Cassini spacecraft began orbiting Saturn five years ago, a dozen highly-tuned science instruments set to work surveying, sniffing, analyzing and scrutinizing the Saturnian system. But Cassini recently revealed new data that appeared to overturn the decades-old belief that our solar system resembled a comet in shape as it moves through ... read more |
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Researcher Delighted That LCROSS Confirms Lunar Prospector Findings![]() When the LCROSS rocket stage slammed into Cabeus crater on October 9, creating an impact plume of material that had not seen sunlight for possibly billions of years, it conclusively proved that water ice exists in the dark recesses of the Moon's polar craters. The LCROSS findings delighted William Feldman, a senior scientist at the Tucson-based Planetary Science Institute. "What got me ... more The Mystery Of Brightness Variations In Sun-Like Stars ![]() An extensive study made with ESO's Very Large Telescope deepens a long-standing mystery in the study of stars similar to the Sun. Unusual year-long variations in the brightness of about one third of all Sun-like stars during the latter stages of their lives still remain unexplained. Over the past few decades, astronomers have offered many possible explanations, but the new, painstaking ... more Astronomy Question Of The Week: How Is A Black Hole Discovered ![]() Black holes are astrophysical objects with an almost unbelievably high mass per unit volume. They are so heavy that they are able to powerfully warp the space around them. Within a certain distance from the black hole - the 'event horizon' - this warping of space is so strong that absolutely no light or any other radiation can leave. Hence black holes - as the name implies ... more |
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![]() Absence Of Evidence For A Meteorite Impact Event 13,000 Years Ago ![]() Stellar Family Portrait Takes Imaging Technique To New Extremes ![]() Revealing A New Type Of Supernova |
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365 Days Of Astronomy Podcast To Continue In 2010![]() The award-winning 365 Days of Astronomy podcast is proud to announce that the project will continue for another 365 days and is now accepting sign-ups for participants for 2010. This is a legacy project of the International Year of Astronomy (IYA) and is being managed by Astrosphere New Media Association. In 2009, the 365 Days of Astronomy podcast was a major project of the IYA, publishing ... more Geminids Meteor Shower: Nature's 'Holiday Light Show' ![]() The Geminids are one of the best meteor showers of the year and never seem to disappoint observers! Join Bill Cooke of the Meteoroid Environment Office, located at NASA's Marshall Space Flight Center, in a live web chat on Friday, December 11 from 3:00-4:00 EST to learn more about the Geminids meteor shower. This meteor shower gets the name "Geminids" because it appears to radiate from the ... more The PI's Perspective - Farewell 2009 ![]() New Horizons is now more than 1,400 days into its 9.5-year journey and well past 15 AU (astronomical units) from the Sun. We still have about 2,050 days ahead of us before we reach the Pluto system, but on Dec. 29, we'll reach the first of several midway milestones. New Horizons will be closer to Pluto (the red line) than to Earth (the blue curve). This marker puts a nice capstone on 2009 ... more |
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![]() LHC Produces First Physics Results ![]() Space Debris Removal Gets Visibility ![]() Subaru Spots Tiny Companion To Sun-Like Star |
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