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TIL evidence shows that the space shuttle Challenger’s crew survived the explosion and could have been conscious until the crew cabin hit the ocean. 4 of 5 recovered crew air packs had been activated and pilot switches that could only have been moved manually by a person were moved.

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1ayAW TIL of the oldest human structure. Predating Mesopotamian civilization and Stonehenge by 6,000 years, Gobekli Tepe. Researchers determined a pillar (pillar 43) depicts a comet colliding with Earth over 10,000 years ago causing a millennia of global cooling.
kdDm TIL a cockatoo in Australia lived to be 100 years old.
p4pN TIL that royalty use ‘We’ to refer to themselves as a way of showing that they speak on behalf of themselves and the nation. In past times this was also used to indicate that they spoke on behalf of God.
wo5E TIL There is a time capsule buried in 1968 in Amarillo Texas containing the passbook to a bank account with a $10 deposit, expected to be worth $1 quadrillion when it is opened in 2968.
dBe8 TIL in 39 years, 3 months and 7 days, Voyager 1 (the farthest manmade object from Earth) has only traveled roughly 19 light hours.