1986 – STS 51-L, Space Shuttle Challenger. Disaster. Astronauts killed: Francis R. S cobee, Micheal Smith, Judith Resnick, Ellison S. Onizuka, Gregory B. Jarvis, Ronald E. McNair, and teacher-in-space Christa McAuliffe. Biographies here.

STS-51L ended 1 minute13 seconds after launch. An investigation revealed a booster 0-ring was at fault. ” An Accident Rooted in History” was the title of a Presidential Commission on the Space Shuttle Challenger Accident Report, June, 6, 1986 which outlined the path that led to the tragedy. The Report is available from the NASA History Web here. More info at spaceline.org here.

STS-51-L_patch

Birthdays

1951 – Leonid Kadeniuk, Ukrainian general, pilot, and astronaut (d. 31 January 2018)

1950 – David C. Hilmers, American colonel, physician, and astronaut

1939 – John M. Fabian, American colonel, pilot, and astronaut

1622 – Adrien Auzout, French astronomer and instrument maker (d. 1691)

1611Johannes Hevelius polish astronomer who made the first moon atlas. (d. 28 January 1687)

First Moon Atlas by Johannes Hevelius

1608 – Giovanni Alfonso Borelli, Italian physiologist and physicist (d. 1679)