sagan’s proof

From: Joe

Date: 2017-06-04 20:38:19

except that Sagan’s logic had a fatal flaw…he assumed that all sun rays struck earth in a perpendicular fashion, because the sun was so much larger. he failed to consider that the sun might be a local sun, nowhere near the 91 million miles distant, and only a fraction of the diameter we believe the sun to be..

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