OTD…March 24 and STS-45

Commander of the 100th space shuttle flight and a spacewalker who later climbed Mount Everest will be inducted into the U.S. Astronaut Hall of Fame at the Kennedy Space Center on Saturday.

#OTD in 2007…NASA’s Dawn probe launched to explore the uncharted worlds of Vesta and Ceres in the heart of the asteroid belt.

#OTD in 1995, Endeavour launched on the ASTRO-2 astronomy mission: