Alan Stern led the planning of the mission to Pluto for NASA, and he joins us to talk about the years of work that went into sending the New Horizon more than 3 billion miles from Earth.
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What We Know Now of Pluto
Mike Brown’s research was instrumental in the 2006 decision to reclassify Pluto as a dwarf planet. As the New Horizons probe flies by Pluto this week, we’ll check in with him.
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