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Anthropology

tymorial

(3,433 posts)

2. It is entirely possible that aliens have visited Earth

Reply to PJMcK (Reply #1)

Tue Nov 19, 2019, 05:51 PM

Nov 2019

That doesn't mean they shaped our development. An advanced civilization capable of interstellar travel could have evolved millions of years ago. Compared to the age of our Galaxy, Solar System and Planet... the age of our own civilization is the size of a grain of sand.

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Highlight:

Before We Find Aliens, Humans Need to Figure Ourselves Out, Anthropologist Says [View all] Judi Lynn Nov 2019 OP

Why do people believe aliens have visited Earth? PJMcK Nov 2019 #1

It is entirely possible that aliens have visited Earth tymorial Nov 2019 #2

The distances between stars really is more vast than most people understand. PoindexterOglethorpe Nov 2019 #3