Tuesday, April 17, 2018

"This ultraviolet photograph of a massive solar flare, spanning a third of a million miles into space, was taken on December 19, 1973, during the Skylab 4 mission by a telescope mounted on the Apollo telescope mount designed and built at NASA's Marshall Space Flight Center" [3000 x 2394]


http://bit.ly/2vsrp6y via /r/spaceporn http://bit.ly/2JTCYqW