OTD…June 5 and STS-40

#OTD…Launch of Discovery in 1990 with the Hubble Space Telescope, our window on the universe!

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.

#OTD…Launch of Challenger in 1985 on a Spacelab research flight