re: To commemorate Earth Day: Apollo 8, 1968.
... doing some 'questionable' searching, I came up with this one regarding Carl:
From Voyager 1.
Maybe it was because it looked so small.
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Wherever possible there must be independent confirmation of the facts.
Encourage substantive debate on the evidence by knowledgeable proponents of all points of view.
Arguments from authority carry little weight (in science there are no authorities).
Spin more than one hypothesis – don’t simply run with the first idea that caught your fancy.
Try not to be overly attached to a hypothesis just because it’s yours.
“We are for the cosmos to know itself.â€
- Carl Sagan
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... he wasn't alone.