events
Space Shuttle program: STS-41-B Mission: astronauts Bruce McCandless II and Robert L. Stewart make the first untethered space walk using the Manned Maneuvering Unit (MMU).
Related Wikipedia articles
Space Shuttle program
1972–2011 United States human spaceflight program
The Space Shuttle program was the fourth human spaceflight program carried out by the U.S. National Aeronautics and Space Administration (NASA), which accomplished routine transportation for Earth-to-orbit crew and cargo from 1981 to 2011. Its official program name was Space…Source: Wikipedia (CC BY-SA)
STS-41-B
1984 American crewed spaceflight
STS-41-B was NASA's tenth Space Shuttle mission and the fourth flight of the Space Shuttle Challenger. It launched on February 3, 1984 and landed on February 11, 1984, after deploying two communications satellites. It was also notable for including the first untethered spacewalk.Source: Wikipedia (CC BY-SA)
Bruce McCandless II
American aviator and astronaut (1937–2017)
Bruce McCandless II was an American Navy officer and aviator, electrical engineer, and NASA astronaut. In 1984, during the first of his two Space Shuttle missions, he completed the first untethered spacewalk by using the Manned Maneuvering Unit.Source: Wikipedia (CC BY-SA)
Robert L. Stewart
American brigadier general and astronaut (born 1942)
Robert Lee Stewart is an American retired military officer and NASA astronaut who was a brigadier general of the United States Army.Source: Wikipedia (CC BY-SA)
Extravehicular activity
Activity done by an astronaut or cosmonaut outside a spacecraft
Extravehicular activity (EVA) is any activity done by an astronaut in outer space outside a spacecraft. In the absence of a breathable Earthlike atmosphere, the astronaut is completely reliant on a space suit for environmental support. EVA includes spacewalks and lunar or…Source: Wikipedia (CC BY-SA)
Manned Maneuvering Unit
NASA astronaut propulsion unit
The Manned Maneuvering Unit (MMU) is an astronaut propulsion unit that was used by NASA on three Space Shuttle missions in 1984. The MMU allowed the astronauts to perform untethered extravehicular spacewalks at a distance from the shuttle. The MMU was used in practice to…Source: Wikipedia (CC BY-SA)
February 7
Day of the year
February 7 is the 38th day of the year in the Gregorian calendar; 327 days remain until the end of the year.Source: Wikipedia (CC BY-SA)