On This Date…

American and Soviet crews were launched today in 1975 for the first handshakes in space between the two superpowers as part of the Apollo-Soyuz Test Project.

#OTD in 1999…Columbia launched with the first woman commander and the Chandra X-ray Observatory

A senior NASA official said Monday the agency could select two new robotic planetary science missions next year for launch in the early 2020s, and the five finalists favor Venus and asteroid research.