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For EVAs from the International Space Station, NASA employed a camp-out procedure to reduce the risk of decompression sickness. [34] This was first tested by the Expedition 12 crew. During a camp-out, astronauts sleep overnight in the airlock prior to an EVA, lowering the air pressure to 10.2 psi (70 kPa), compared to the normal station ...
The Apollo Lunar Module (LM / ˈ l ɛ m /), originally designated the Lunar Excursion Module (LEM), was the lunar lander spacecraft that was flown between lunar orbit and the Moon's surface during the United States' Apollo program. It was the first crewed spacecraft to operate exclusively in the airless vacuum of space, and remains the only ...
The book does contain a good collection of impressive drawings which prove nothing more than that whoever prepared them is a good draughtsman." Jerome Clark wrote that Blumrich "offered a creative but misplaced effort to translate the metaphorical biblical account into a properly engineered spacecraft".
The NASA Trilogy consists of three hard science fiction novels written by British science fiction author Stephen Baxter. They were published from 1996 to 1998. These books explore the possibilities of the American space program if the circumstances had been different. They have generally darker tones than his other books and are critical of ...
Kelly was promoted to lead the design team for the Lunar Excursion Module (LEM). He was in charge of more than 7,000 employees in design and building the Lunar Module. Kelly's group came up with the idea of a two-stage spacecraft (ascent & descent stage), that would take two astronauts to the Moon's surface while a third astronaut would stay in ...
The book tells the story in flashbacks during the actual Mars mission of the chronicalised history until the mission's beginning. The point of divergence for this alternate timeline happens on 22 November 1963, where John F. Kennedy survived the assassination (Jacqueline Kennedy was killed, hence the renaming of the Kennedy Space Center as the Jacqueline B. Kennedy Space Center), but was ...
Brownian excursion, a concept in the theory of stochastic processes; Critical excursion, or criticality accident, a topic in nuclear physics; Diaphragmatic excursion, the movement of the thoracic diaphragm during breathing; Geomagnetic excursion, a change in the Earth's magnetic field; Excursion (audio), the linear movement range of a speaker
When NASA awarded the initial Apollo contract to North American Aviation on November 28, 1961, it was still assumed the lunar landing would be achieved by direct ascent rather than by lunar orbit rendezvous. [4] Therefore, design proceeded without a means of docking the command module to a lunar excursion module (LEM). But the change to lunar ...