Explanation: Is that a tenth planet? A faint, slowly moving dot discovered by computer shows clear signs of being a deep Solar System object at least as large as Pluto. The object, designated 2003 UB₃₁₃, is currently situated nearly 100 times the Earth-Sun distance -- over twice the average Pluto-Sun distance. That far out, the only way a single round object could be as bright as 2003 UB₃₁₃ would be if it is at least as large as Pluto and completely reflective. Since 2003 UB₃₁₃ is surely not completely reflective, it could be substantially larger. One of the discovery frames is shown above digitally expanded and artificially brightened. 2003 UB₃₁₃ was identified initially on frames taken by the automated 1.2-meter Samuel Oschin Telescope at Palomar Observatory in California, USA.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: planet - Pluto - kuiper belt - planety - Pluton - Poyas Koipera Publikacii so slovami: planet - Pluto - kuiper belt - planety - Pluton - Poyas Koipera
Sm. takzhe: Pluton noch'yu Istinnye cveta Plutona Na severe Plutona Sledy planet Solnechnoi sistemy S dobrym utrom, planety! Planety vystroilis' nad mostom v N'yu-'orke Tri planety i kometa Vse publikacii na tu zhe temu >>