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This radio broadcast discusses the possible discovery of a tenth planet, which may be bigger than Pluto. The object, with the temporary name of 2003UB313, lies 10 billion miles from the sun in the Kuiper Belt. The broadcast explains what the Kuiper belt is and discusses whether the new find should get planetary status. This segment of the broadcast is 6 minutes in length. The next segment discusses the Mars Exploration Rover mission and plans for the upcoming Mars Reconnaissance Orbiter mission. Topics include efforts involved in preparing the rover spacecraft; whether to put people on Mars; evidence of water on Mars; and how orbiter and rover missions can complement each other. There is also speculation about how long the rovers will operate, and what may be the cause of their demise. This segment is 41 minutes in length.
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Real Audio Player, Windows Media player, or MP3 player
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DLESE Catalog ID:
DLESE-000-000-008-770
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