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Old December 17th 18, 10:18 PM posted to sci.astro
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Default No Alien Visits Ever


A few hundred years ago it was known that nobody could sail the oceans faster than the wind
and birds could only fly because those were lighter than air.

There are some absolutes confirmed to be part of the nature of things.
e.g. law of gravity, electro dynamics, etc.

c speed limit is in that category.

Nothing has ever been seen to go faster even in the Hadron and the
like.

Nobody ever thought birds were somehow lighter than air.