› added 1 year ago

51

TIL a day on Mercury (a full rotation) takes twice as long (176 Earth days) as a year. A full revolution around the sun occurs every 88 Earth days.

Read more universetoday.com

via reddit.com

j6ela TIL The flicker fusion rate for a dog (the frequency of light that can be seen as fluid movement) is different for them so they see things on TV as more choppy
nvnY TIL Mark Twain was born during a visit by Halley’s Comet and predicted he would die during its next visit. He wrote “here are these two unaccountable freaks; they came in together, they must go out together” He died the day after Halley’s Comet returned.
bOwp TIL it’s Maryland’s 225th birthday. Happy Birthday Maryland!
9wPmm TIL that character actor Harry Dean Stanton, who acted in over 200 movies ('Alien', 'Paris Texas'), started as an uncredited cameo on Hitchcock's 1956 'The Wrong man'.
Z84Wp TIL China blocked searches for "big yellow duck" because activists photoshopped Florentijn Hofman's Rubber Duck sculpture into the Tank Man photo