› added 10 years ago

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TIL Supermassive Black Holes in the centers of galaxies can be 11 times bigger than Neptune’s entire orbit, and spin at almost the speed of light.

Read more news.nationalgeographic.com

via reddit.com

xO8b TIL “The Blue Marble” is the only whole-earth photo taken by human hands. No one has since been far enough from earth to take a similar picture.
p8OX4 TIL i learned about the russian cosmonaut who fell to his death cussing
X0LR6 TIL Ginza street in Tokyo Japan is closed to cars on certain timings during weekends and public holidays.
9Yjar TIL the Statue of Liberty almost wasn't built in New York because the governor wouldn't use city funds to build its pedestal, but Joseph Pulitzer's newspaper articles inspired 160,000 people to donate. Though a majority of donations were less than $1, they raised over $100,000 in just five months.
kOw1e TIL of the Murchison meteorite, which fell to earth in 1969. It contained high levels of organic compounds, came from a parent body that had liquid water, and the amino acids it contained could not have been synthesized on earth because they consisted of both left- and right- isomers.