OTD…April 5 launches of STS-37 and 131

#OTD in 1990…Discovery launched the Ulysses probe bound for the sun

#OTD in 1994…Columbia launched on a Spacelab microgravity flight

NASA’s Kepler planet-finder began its mission to discover Earth-like worlds orbiting other stars in the galaxy today in 2009, successfully launching aboard a Delta 2 rocket from Cape Canaveral.