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Spot Discovered On Dwarf Planet Haumea Shows Up Red And Rich With Organics
A dark red area discovered
on the dwarf planet Haumea
appears to be richer in
minerals and organic
compounds than the
... > full story
'Plutoid' Chosen As Name For Solar System Objects Like Pluto
The International
Astronomical Union has
decided on the term plutoid
as a name for dwarf planets
like Pluto at a meeting of
its Executive Committee in
... > full story
Dwarf Planet Eris Is More Massive Than Pluto
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
... > full story
Mission Could Seek Out Spock's Home Planet
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,
... > full story
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Fifth Dwarf Planet Named Haumea
September 22, 2008 — The International Astronomical Union has announced that the object previously known as 2003 EL61 is to be classified as the fifth dwarf planet in the Solar System and named Haumea. This now means ... > full story -
Dwarf Planet Formerly Known As Xena Officially Named 'Eris'
September 15, 2006 — The International Astronomical Union has announced that the dwarf planet known as Xena since its 2005 discovery has been named Eris, after the Greek goddess of discord. Eris's moon will be known as ... > full story -
Pluto Downgraded To 'Dwarf Planet' Status; Solar System Now Has Eight Planets
August 24, 2006 — The International Astronomical Union (IAU) has downgraded the status of Pluto to that of a "dwarf planet," a designation that will also be applied to the spherical body discovered last year by ... > full story -
Bigger Solar System? Astronomers Debate Definition Of 'Planet' And 'Plutons'
August 16, 2006 — The world's astronomers, under the auspices of the International Astronomical Union (IAU), have concluded two years of work defining the difference between "planets" and the smaller "solar system ... > full story -
Hubble Finds 'Tenth Planet' Is Slightly Larger Than Pluto
April 17, 2006 — NASA's Hubble Space Telescope has resolved the "tenth planet," nicknamed "Xena," for the first time and has found that it is only just a little larger than Pluto. Though previous ground-based ... > full story -
Two New Dusty Planetary Disks May Be Astrophysical Mirrors Of Our Kuiper Belt
January 20, 2006 — In the search for planetary systems like our own, scientists are peering at nearby stars in search of dusty debris disks that presumably accompany planets. UC Berkeley astronomer Paul Kalas has just ... > full story -
Kuiper Belt Moons Are Starting To Seem Typical
January 17, 2006 — In the not-too-distant past, the planet Pluto was thought to be an odd bird in the outer reaches of the solar system because it has a moon, Charon, that was formed much like Earth's own moon was ... > full story -
Hubble Reveals Possible New Moons Around Pluto
November 1, 2005 — Using NASA's Hubble Space Telescope to view the ninth planet in our solar system, astronomers discovered Pluto may have not one, but three moons. If confirmed, the discovery of the two new moons ... > full story -
Tenth Planet Has A Moon
October 3, 2005 — The newly discovered 10th planet, 2003 UB313, is looking more and more like one of the solar system's major players. It has the heft of a real planet (latest estimates put it at about 20 percent ... > full story -
Scientists Discover Solar System's Tenth Planet Bigger Than Pluto
July 30, 2005 — A planet larger than Pluto has been discovered in the outlying regions of the solar system. The planet was discovered using the Samuel Oschin Telescope at Palomar Observatory near San Diego, Calif. ... > full story
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