5 ideas from NASA, each explained in a minute and credited to the original work. Free on Savvy.
The Wright brothers flew for 12 seconds over a beach in 1903. In 1969, humans walked on the Moon. A person born the year of Kitty Hawk could have watched Apollo 11 on television at…
— NASA, NASA History Office — Apollo 11 Mission Overview
The claim predates spaceflight by two centuries, an English writer floated it in 1754, and a 1932 Ripley's Believe It or Not cartoon called it the only man-made structure visible f…
— NASA and astronaut observational accounts, Artificial structures visible from space
Two days into the 1970 Apollo 13 mission, an oxygen tank ruptured 200,000 miles from Earth, crippling the spacecraft and scrapping the Moon landing. Engineers on the ground improvi…
— NASA, Apollo 13
On July 20, 1969, Apollo 11's lunar module Eagle drifted off-course toward a boulder field while its guidance computer threw unexplained alarms. Neil Armstrong took manual control …
— NASA, Apollo 11
Katherine Johnson calculated the trajectories for America's first crewed spaceflights at NASA, working the orbital mechanics with a mechanical desk calculator. Before his 1962 orbi…
— NASA, Katherine Johnson Biography