› added 7 years ago

81

TIL when Apollo 11 landed, it had only about 25 seconds of fuel left.

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8wyb TIL that Wil Weaton replied to a devoted fan 21 years after she applied to join his official fan club.
BgppW TIL the TRAPPIST-1 system hosts 7 identified exoplanets and 3 of them (TRAPPIST-1e, TRAPPIST-f, TRAPPIST-g) are Earth-sized and within the solar system's habitable zone
Meybb TIL humans can't actually smell metal. Instead, whenever we touch metals it is a reaction between oils on our skin and the metals which we are smelling.
j6epj TIL the first computer virus to be written with the purpose of being released in the wild, “Elk Cloner”, was done so in 1982 by a 15 year old high-school student to annoy his friends.
5Ve7Q TIL the piano failed to catch on when it was first invented in 1700. It was only after Johann Zumpe made improvements and J.S. Bach socially promoted the piano in 1768 that it eventually displaced the harpsichord as the preferred keyboard instrument.