galacticjourney: (Default)
galacticjourney ([personal profile] galacticjourney) wrote2015-06-04 07:27 am
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[June 4, 1960] The Solar Frontier (Pluto: 9th "planet"?)



Pluto is big news right now; no wonder since this year is the 30th anniversary of its discovery. But what do we really know about this enigmatic ninth "planet?" (quotes used advisedly, more on this later.)

(find out at Galactic Journey!)

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