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New Planets Feature Young Star and Twin Neptunes
July 14, 2011 Scientists have discovered 10 new planets. Amongst them is one orbiting a star perhaps only a few tens of million years old, twin Neptune-sized planets, and a rare Saturn-like ... > full story -
Hubble's Neptune Anniversary Pictures
July 12, 2011 Today, Neptune has arrived at the same location in space where it was discovered nearly 165 years ago. To commemorate the event, NASA's Hubble Space Telescope has taken these "anniversary pictures" ... > full story -
NASA's Hubble Makes One Millionth Science Observation
July 5, 2011 NASA's Hubble Space Telescope crossed another milestone in its space odyssey of exploration and discovery. On Monday, July 4, the Earth-orbiting observatory logged its one millionth science ... > full story -
When Jupiter Was in the Position of Mars
June 15, 2011 A new scenario describing a key step in the formation of the solar system has been proposed by a French-American collaboration. According to this model, Jupiter migrated towards the Sun to the ... > full story -
How to Learn a Star's True Age
May 24, 2011 For many movie stars, their age is a well-kept secret. In space, the same is true of the actual stars. Like our sun, most stars look almost the same for most of their lives. So how can we tell if a ... > full story -
Kepler's Astounding Haul of Multiple-Planet Systems
May 24, 2011 NASA's Kepler spacecraft is proving itself to be a prolific planet hunter. Within just the first four months of data, astronomers have found evidence for more than 1,200 planetary candidates. Of ... > full story -
Free-Floating Planets May Be More Common Than Stars
May 18, 2011 Astronomers, including a NASA-funded team member, have discovered a new class of Jupiter-sized planets floating alone in the dark of space, away from the light of a star. The team believes these lone ... > full story -
First Habitable Exoplanet? Climate Simulation Reveals New Candidate That Could Support Earth-Like Life
May 16, 2011 The planetary system around the red dwarf Gliese 581, one of the closest stars to the Sun in the galaxy, has been the subject of several studies aiming to detect the first potentially habitable ... > full story -
How 'Hot Jupiters' Got So Close to Their Stars: Extrasolar Planet Research Sheds Light on Our Solar System
May 11, 2011 More than 500 extrasolar planets -- planets that orbit stars other than the sun -- have been discovered since 1995. But only in the last few years have astronomers observed that in some of these ... > full story -
Spitzer Detects Shadow of 'Super-Earth' in Front of Nearby Star
May 4, 2011 NASA's Spitzer satellite has detected the crossing of a solid planet in front of a star located at only 42 light-years in the constellation Cancer. Thanks to this detection, astronomers know that ... > full story
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