News tagged with dwarf planet
Scientists complete first geological global map of Jupiter's satellite Ganymede
Space & Earth / Space Exploration
Sep 16, 2009 |
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Scientists have assembled the first global geological map of the Solar System’s largest moon - and in doing so have gathered new evidence into the formation of the large, icy satellite.
Finding Twin Earths: Harder Than We Thought
Mar 20, 2009 |
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(PhysOrg.com) -- Does a twin Earth exist somewhere in our galaxy? Astronomers are getting closer and closer to finding an Earth-sized planet in an Earth-like orbit. NASA's Kepler spacecraft just launched to ...
Refining the search for new planets
Feb 03, 2009 |
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(PhysOrg.com) -- SF State's planet hunting team is trying new avenues of investigation in the quest to discover planets beyond our solar system. At the American Astronomical Society (AAS) meeting in January, ...
Dawn Glides Into New Year
Space & Earth / Space Exploration
Nov 21, 2008 |
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(PhysOrg.com) -- NASA's Dawn spacecraft shut down its ion propulsion system today as scheduled. The spacecraft is now gliding toward a Mars flyby in February of next year.
Search results for dwarf planet
Astronomers Measured Mass of Largest Dwarf Planet
Jun 18, 2007 |
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Aptly named after the Greek goddess of conflict, the icy dwarf planet, Eris, has rattled the general model of our solar system. The object was discovered by astronomer Mike Brown of Caltech in the outer reaches ...
A planet in progress?
Mar 26, 2008 |
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Scientists are one step closer to understanding how new planets form, thanks to research funded by the National Science Foundation (NSF) and carried out by a team of astrophysicists at the American Museum ...
Plutoid chosen as name for solar system objects like Pluto
Jun 11, 2008 |
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Almost two years after the International Astronomical Union (IAU) General Assembly introduced the category of dwarf planets, the IAU, as promised, has decided on a name for transneptunian dwarf planets similar ...
Mission Could Seek Out Spock's Home Planet
May 10, 2007 |
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Science fiction may soon become science fact. Astronomers at NASA's Jet Propulsion Laboratory have recently concluded that the upcoming planet-finding mission, SIM PlanetQuest, would be able to detect an Earth-like ...
Scientists discover a nearly Earth-sized planet (Update)
Apr 21, 2009 |
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(PhysOrg.com) -- Exoplanet researcher Michel Mayor announces the discovery of the lightest exoplanet found so far. The planet, "e," in the system Gliese 581, is only about twice the mass of our Earth. The ...
The coldest brown dwarf ever observed
Apr 10, 2008 |
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An international team led by French and Canadian astronomers has just discovered the coldest brown dwarf ever observed. Their results will soon be published in Astronomy & Astrophysics. This new finding was ma ...
Dead Stars Tell Story of Planet Birth
Jan 05, 2009 |
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(PhysOrg.com) -- Astronomers have turned to an unexpected place to study the evolution of planets -- dead stars. Observations made with NASA's Spitzer Space Telescope reveal six dead "white dwarf" stars littered ...
Solar systems around dead Suns?
Apr 20, 2009 |
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(PhysOrg.com) -- Using NASA’s Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting ...
IAU names dwarf planet Eris
Space & Earth / Space Exploration
Sep 14, 2006 |
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The International Astronomical Union announces the names Eris for the dwarf planet provisionally named 2003 UB 313 and Dysnomia for its moon.
Dawn Finishes Mars Phase
Space & Earth / Space Exploration
Feb 27, 2009 |
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(PhysOrg.com) -- With Mars disappearing in its metaphorical rearview mirror, NASA's Dawn spacecraft's next stop is the asteroid belt and the giant asteroid Vesta. Dawn got as close as 549 kilometers (341 miles) ...
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