News tagged with dwarf planet
Related topics: solar system
Ultra-cool companion helps reveal giant planets
(Phys.org) -- An international team of astronomers led by David Pinfield of the University of Hertfordshire has found a brown dwarf that is more than 99% hydrogen and helium. Described as ultra-cool, it has ...
May 10, 2012 |
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Faraway Eris is Pluto's twin: Dwarf planet sized up accurately as it blocks light of faint star
(PhysOrg.com) -- Astronomers have measured the diameter of the dwarf planet Eris by catching it as it passed in front of a faint star. This was seen by telescopes in Chile, including the TRAPPIST telescope ...
Oct 26, 2011 |
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Astronomers find extreme weather on an alien world
(PhysOrg.com) -- A University of Toronto-led team of astronomers has observed extreme brightness changes on a nearby brown dwarf that may indicate a storm grander than any seen yet on a planet. Because old ...
Sep 12, 2011 |
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Astronomers find ice and possibly methane on Snow White, a distant dwarf planet
Astronomers at the California Institute of Technology (Caltech) have discovered that the dwarf planet 2007 OR10—nicknamed Snow White—is an icy world, with about half its surface covered in water ...
Aug 22, 2011 |
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Hubble discovers another moon around Pluto
(PhysOrg.com) -- Astronomers using the Hubble Space Telescope discovered a fourth moon orbiting the icy dwarf planet Pluto. The tiny, new satellite, temporarily designated P4, was uncovered in a Hubble survey ...
Space & Earth / Space Exploration
Jul 20, 2011 |
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Dwarf planet Haumea shines with crystalline ice
The fifth dwarf planet of the Solar System, Haumea, and at least one of its two satellites, are covered in crystalline water-ice due to the tidal forces between them and the heat of radiogenic elements. This ...
May 12, 2011 |
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Habitable planets and white dwarfs
(PhysOrg.com) -- The search for habitable planets similar to Earth has routinely focused around active nuclear burning stars. However, in a recently published paper by Eric Agol from the University of Washington, ...
Mar 22, 2011 |
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Six new planets discovered
(PhysOrg.com) -- An international team, including Oxford University scientists, has discovered six diverse new planets, from 'shrunken-Saturns' to 'bloated hot Jupiters', as well a rare brown dwarf with 60 ...
Jun 14, 2010 |
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'This Planet Tastes Funny,' According to Spitzer
(PhysOrg.com) -- NASA's Spitzer Space Telescope has discovered something odd about a distant planet -- it lacks methane, an ingredient common to many of the planets in our solar system.
Apr 21, 2010 |
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Watery, rocky planets may be common in the Milky Way
(PhysOrg.com) -- An international team of astronomers have discovered compelling evidence that rocky planets are commonplace in our Galaxy. Leicester University scientist and lead researcher Dr Jay Farihi ...
Apr 13, 2010 |
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Mysterious Planet-like Object Challenges Simple Definition, Reveals Its Surprising Identity
(PhysOrg.com) -- A mysterious planet-like object orbiting a not-quite-starlike "brown dwarf" is the most recent enigma discovered by astronomers with their ever-more powerful telescopes. Kamen Todorov, a graduate ...
Apr 06, 2010 |
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Astronomers Find Super-Earth Using Amateur, Off-the-Shelf Technology (w/ Video)
(PhysOrg.com) -- Astronomers announced today that they have discovered a "super-Earth" orbiting a red dwarf star 40 light-years from Earth. They found the distant planet with a small fleet of ground-based ...
Dec 16, 2009 |
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Spitzer Telescope Observes Baby Brown Dwarf
(PhysOrg.com) -- NASA's Spitzer Space Telescope has contributed to the discovery of the youngest brown dwarf ever observed -- a finding that, if confirmed, may solve an astronomical mystery about how these ...
Nov 23, 2009 |
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Solar systems around dead Suns?
(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 ...
Apr 20, 2009 |
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Finding Twin Earths: Harder Than We Thought
(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 ...
Mar 20, 2009 |
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