› added 3 months ago

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TIL the density of Phobos, the larger and closer moon of Mars, suggests 25-35% of its volume is empty space

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0wKLA TIL about avant-garde composer John Cage whose most famous work is 4'33". For four minutes and 33 seconds, the musicians do nothing, allowing the audience to hear the environmentals of the performance hall.
9Yo67 TIL about Olympus Mons, the highest mountain in the solar system, which is about 2.5x taller than Everest, is about the size of Poland, and has a mile wide moat around it due to the immense weight pushing down the crust of Mars around it.
VKe0 TIL the documents that “proved” Iraq sought nuclear weapons in 2002 are known forgeries, and the forger has never been caught.
0KPM TIL Long Before Trees Overtook the Land, Earth Was Covered by Giant Mushrooms
xVW6w TIL that the ice pick used to kill Leon Trotsky is on display at the International Spy Museum in Washington, District of Columbia