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TIL in 1995, NASA astronomer Bob Williams wanted to point the Hubble telescope at the darkest part of the sky for 100 hours. Critics said it was a waste of valuable time, and he'd have to resign if it came up blank. Instead it revealed over 3,000 galaxies, in an area 1/30th as wide as a full moon

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via reddit.com

Y7mVx TIL about Quasi-stars, aka black hole stars, where the star is supported not by fusion, but the energy of a black hole consuming matter. They hypothetically existed in the early universe.
ke4e TIL that in the original Universal Horror films, Ygor was not a hunchback. His neck had been broken when he was hanged for graverobbing, and though he lived, he legally couldn’t be retried.
v14ox TIL Chumbawamba was at the forefront of the 1980s anarcho-punk movement.
yVYRw TIL Blue-footed Boobies (and other Boobie species) are named from the Spanish word “bobo.” The term means “stupid,” which is how early European colonists may have characterized these clumsy and unwary birds when they saw them on land—their least graceful environment.
5VObB TIL that British troops developed a diss song against Nazi leaders during World War II titled "Hitler Has Only Got One Ball." It was quickly picked up and sang by Allied troops.