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| | SPACE.com -- Object Bigger than Pluto Discovered, Called 10th Planet |
 | | This time-lapse image of a newfound planet in our solar system, called 2003UB313, was taken on Oct. 21, 2003, using the Samuel Oschin Telescope at the Palomar Observatory near San Diego, Calif. The planet, circled in red, is seen moving across a field of stars. |
 | | Brian Marsden, who runs the Minor Planet Center where data on objects like this are collected, says that if Pluto is a planet, then other round objects nearly as large as Pluto ought to be called planets. |
 | | The reflectiveness of the new planet is not known, however, which is why the estimate of its diameter ranges from one to two times the size of Pluto. |
| www.space.com /scienceastronomy/050729_new_planet.html (1451 words) |
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