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TIL that Kathy Sullivan, the first American woman to space walk, became in June 2020 the only person to have visited both space and the deepest place on Earth, the Challenger Deep in the Mariana Trench.

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via reddit.com

WJ8L TIL that astronomers have discovered 26 new black holes in the Andromeda galaxy, which neighbors Earth’s Milky Way galaxy.The group of 26 is the largest trove discovered at one time in a galaxy other than the Milky Way.
Ook0e TIL that, in 1379, a baby from Yorkshire was named Diot Coke.
D1OKJ TIL Romans conquered England during 1st Century AD, then decided it was best to build a wall (Hadrian’s Wall) to keep the Scottish out (ancestors) and protect themselves
Ayja TIL that George Lucas has detailed knowledge of ‘Star Trek’. When actor Clint Howard auditioned for Lucas, the first thing the director said was “Balok, 'Corbomite Maneuver’”, a role Howard had played as a child 15 years earlier. The amazed Howard later said he wanted to yell “get a life” at Lucas.
p87ye TIL by 400 BC, Persian engineers had mastered the technique of storing ice in the middle of summer in the desert.