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Apollo 11 lunar activities

Apollo 11 lunar activities (Picture 1)


Apollo 11 is the fifth mission of the National Aeronautics and Space Administration's Apollo program, the first mission to mankind, and three astronauts who perform this task are commander Neil Armstrong, Michael Collins and the lunar module driver Buzz Aldrin. July 21, 1969, Neil Armstrong and Buzz Aldrin became the first man to set foot on the moon.

Apollo 11 launch site attracted more than one million people, the world watched live broadcast of the number of visitors also reached a record 600 million people. President Richard Nixon watched the live broadcast at the White House Oval Office. The Saturn 5 rocket, loaded with Apollo 11, was launched at the Kennedy Space Center on July 16, 1969, and the spacecraft entered the Earth's orbit after 12 minutes of launch, at speeds of 7.67 km / seconds. The spacecraft, after a lap around the earth, ignited the third sub-rocket, accelerating the spacecraft to 10.5 km / seconds, heading into the direction of the lunar orbit, allowing Apollo 11 to enter the Earth and the Moon Orbit.

Apollo 11 on July 19, 1969 after the back of the moon, and soon lit the main rocket to slow down the spacecraft into the moon orbit. In the process of surrounding the moon, three astronauts in the air to identify the planned landing point. Apollo 11 landing point in the south of the quiet sea, in the Sabine D ring mountain 20 kilometers southwest. The reason why the landing point was chosen was that it was relatively flat and would not produce too much difficulty in landing and extravehicular activities. After landing, Neil Armstrong called the landing site "quiet sea base".

July 20, 1969 18:11, when the spacecraft on the back of the moon, the title of "Eagle" in the lunar module, from the "Columbia" command module separated. Michael Collins stayed alone on "Colombia" and carefully checked the "Eagle" around the vertical axis to ensure that the aircraft was all right. After the check, Michael Collins made a simple farewell gesture and left. Michael Collins's mission is to stay in the command cabin and circulate around the moon, in the next 24 hours can only monitor the control center and the "Eagle" between the communication and pray on the moon all goes well.

Subsequently, Neil Armstrong and Buzz Aldrin launched the "Eagle" propeller and began to fall. July 21, 1969 2:56, "Eagle" landed six and a half hours later, Neil Armstrong along the lunar module ladder, set foot on the moon, said: "That's one small step for a man, one giant leap for mankind." Buzz Aldrin soon set foot on the moon, two people on the surface of the moon for two and a half hours, they use the drill to obtain the moon core specimens, shoot some photos, also collected some moon rock specimens.

The astronauts placed the early scientific experimental components of the Apollo program on the surface of the moon, including a passive seismograph and a laser ranging reflector. Neil Armstrong photographed the edge of the eastern crater at a distance of 120 meters from the lunar module, while Buzz Aldrin took out two cores, using a geological hammer to strike the drill pipe during the sampling process, which was the entire Apollo 11 Task, the only use of geological hammer. Two astronauts then used a shovel and a probe with a claw for rock specimen collection.

The astronauts returned to Earth on July 24, 1969, and received a heroic welcome. After about an hour of landfall, astronauts were found by helicopters, and astronauts entered a trailer for isolation. President Nixon personally boarded the recycling ship to welcome the astronauts to return to Earth. To avoid the unknown pathogen from the moon, Apollo 11 crew was isolated after returning to Earth, but after three weeks off, the astronauts did not have anything. On August 13, 1969, astronauts left the quarantine area and accepted the cheers of the American people, the same day in New York, Chicago and Los Angeles were carried out for their celebration of the parade.

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