Astronaut and physicist Dr. Ronald McNair conducted research on satellite-to-satellite space communications and, as a 5th degree black belt, studied the scientific foundations of the martial arts. Dr. McNair died in the space shuttle Challenger accident. #BlackHistoryMonth
1/ 37 years ago on February 7, Astronaut Bruce McCandless II used his hands to control his movement above the Earth -- just a few meters away from the space shuttle Challenger -- during the first-ever spacewalk which didn't use restrictive tethers. 📸 @NASA
35 years ago today, the Space Shuttle Challenger was lost 73 seconds into its 10th flight, killing all the astronauts on board.
35 years ago today, the space shuttle Challenger and all seven crew members aboard were lost. On this Day of Remembrance, we honor the Challenger crew and all who gave their lives while furthering the cause of exploration and discovery: #NASARemembers
33 years ago today, the Space Shuttle Challenger was lost 73 seconds into its 10th flight, killing all the astronauts on board.
In 1959, police were called to a segregated library in South Carolina when 9-year-old Ronald McNair refused to leave. McNair went on to get his Ph.D. in physics and died as an astronaut on the Challenger space shuttle in 1986. The library that refused him is now named after him.
#OTD in 1983, Astronaut Sally Ride became the first American woman in space when she launched from Pad 39A aboard Space Shuttle Challenger. ? Learn more about her path to becoming a Mission Specialist for @NASA :
Challenger Space Shuttle crew (Christa McAuliffe, Gregory Jarvis, Judy Resnik, Dick Scobee, Ronald McNair, Michael Smith and Ellison Onizuka) perished after launch from Cape Canaveral on morning of January 28, 1986:
Today, as we remember all who we lost, we mark a somber 30-year anniversary – the loss of space shuttle #Challenger .