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Neil deGrasse Tyson

“When your reasons for believing something are justified ad hoc, you are left susceptible to further discoveries undermining the rationale for that belief.”


Neil deGrasse Tyson, The Pluto Files: The Rise and Fall of America's Favorite Planet
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The Pluto Files: The Rise and Fall of America's Favorite Planet The Pluto Files: The Rise and Fall of America's Favorite Planet by Neil deGrasse Tyson
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