The Apollo-11 capsule is now orbiting the moon, passing close to the area chosen for the first lunar landing in the Sea of Tranquillity.
SURFACE OF THE MOON FROM APOLLO-11: WEBB CRATER: APOLLO RIDGE NEAR LANDING SITE (NATURAL SOUND)
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Background: The Apollo-11 capsule is now orbiting the moon, passing close to the area chosen for the first lunar landing in the Sea of Tranquillity.
The service propulsion system of the spacecraft was fired twice today (Saturday). The first put the Apollo capsule on elliptical parking orbit and the second, later in the day, brought the orbit to a near perfect circle about 60 miles (120 Kms) above the moon's surface.
During the orbits, the spacecraft has been passing close to the selected landing site in the Sea of Tranquillity.
Both the engine firings took place when the spacecraft was out of sight and communication with Earth. Reports from the Mission Control Centre at Houston speak of tension and a sense of relief when the manoeuvres were completed on time and without difficulty.
Tomorrow the Lunar Excursions Module will separate from the Command Module to land astronauts Armstrong and Aldrin on the Moon's surface. By the time the moon-walk ends and the astronauts return to the command module to begin the return journey to Earth, the Apollo-II capsule will have orbited the moon 30 times.