› added 5 months ago

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TIL that powerful jets of high-energy particles created by supermassive black holes must be pointed at Earth to be called a Blazar

Read more nasa.gov

via reddit.com

9Yyb7 TIL there is a story in the bible about two bears attacking some kids for making fun of a bald guy
5YnoD TIL that during its revolution France tried to de-Christianize time by introducing a new clock that consisted of days of 10 hours of a hundred minutes of a hundred seconds. The new clock system failed and was abolished in 1806.
yQKkl TIL: In 2009, British comedian Eddie Izzard completed 43 marathons in 51 days for charity, despite having no history of long-distance running. He went on to complete 27 marathons in 27 days in 2016.
ZXnG TIL Stephen Hawking pulled out of conference in Israel hosted by president Shimon Peres in protest at treatment of Palestinians
Jgy1 TIL that 6 of the 10 windiest US cities are in Massachusetts. And Chicago isn’t even in the top 100.