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Astronauts manually flew Project Gemini with control sticks, but computers flew most of Project Apollo except briefly during lunar landings. [6] Each Moon flight carried two AGCs, one each in the command module and the Apollo Lunar Module, with the exception of Apollo 7 which was an Earth orbit mission and Apollo 8 which did not need a lunar module for its lunar orbit mission.
Apollo 7 slow-scan TV, transmitted by the RCA command module TV camera. NASA decided on initial specifications for TV on the Apollo command module (CM) in 1962. [2] [ Note 1] Both analog and digital transmission techniques were studied, but the early digital systems still used more bandwidth than an analog approach: 20 MHz for the digital system, compared to 500 kHz for the analog system. [2]
APOLLO shooting a laser at the Moon. The laser pulse is reflected from the retroreflectors on the Moon (see below) and returned to the telescope. The round-trip time tells the distance to the Moon to great accuracy. In this picture the Moon is very over-exposed, needed to make the laser beam visible. Apollo 15 Lunar Ranging Retro-Reflector (LRRR).
The John F. Kennedy Presidential Library and Museum set up an Adobe Flash website that rebroadcasts the transmissions of Apollo 11 from launch to landing on the Moon. [269] On July 20, 2009, Armstrong, Aldrin, and Collins met with President Barack Obama at the White House. [270] "We expect that there is, as we speak, another generation of kids ...
The Apollo 11 LRRR was deployed on the lunar surface by the Apollo 11 astronaut, Buzz Aldrin, on July 21, 1969. The package was deployed approximately 60 feet (18 m) from Lunar Module Eagle . [ 5 ] Aldrin initially aligned the face of the array in an approximate fashion so that it faced the Earth, with more precise alignment provided by a ...
In 1989, Apollo was acquired by Hewlett-Packard for US$476 million (equivalent to $1207 million in 2024). [15] HP support for Apollo products was fragmented for the first few years, but was reorganized in late 1992, at which point there were still some 100,000 users of Apollo products and the user group InterWorks had some 4,500 members. [16]
The CSMs launched in orbit on Saturn IB ranged from 32,558 pounds (14,768 kg) (Apollo–Soyuz), to 46,000 pounds (21,000 kg) (Skylab 4). The omnidirectional antennas sufficed for ground communications during the Earth orbital missions, so the high-gain S-band antenna on the SM was omitted from Apollo 1, Apollo 7, and the three Skylab flights.
NASA management was concerned about losing the 400,000 workers involved in Apollo after landing on the Moon in 1969. [3] Wernher von Braun, head of NASA's Marshall Space Flight Center during the 1960s, advocated for a smaller space station (after his large one was not built) to provide his employees with work beyond developing the Saturn rockets, which would be completed relatively early ...