› added 1 year ago

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TIL that the oxygen for emergency masks on planes does not come from tanks, but instead from a chemical reaction

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EXM0 TIL that Eris, discovered in 2005, is more massive than Pluto and would have qualified as the tenth planet in the solar system, until its discovery prompted the International Astronomical Union to formally define ‘planet’ with a size cutoff that also excluded Pluto
kBe TIL that the plot of Finding Nemo would not have unfolded anywhere close to how it did in the movie. Clown fish are hermaphrodites so when Marlin’s wife died, Marlin would have changed his gender and become a female and raise Nemo, who would have then mate with Marlin and have children of their own
WkMd8 TIL of "Big's Backyard Ultra" a last man standing marathon, where competitors run around a 4.1667 mile loop until only one remains. Last year's winner ran a record-setting 68 laps (283.3356 miles) in 55 hours, 23 minutes. Everyone but the winner is designated DNF.
ZpZpR TIL there is a super massive black hole named TON 618 which is 140 trillion times more luminous and 66 billion times more massive than the Sun. This is more mass than the entire Milky Way galaxy.
P9DG TIL of Nightingale floors which are designed to make a chirping sound when walked upon. The squeaking floors were used as a security device, assuring that none could sneak through corridors undetected. According to myth these floors were developed as a means of defense against ninjas