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Apollo 15 (July 26 – August 7, 1971) was the ninth crewed mission in the Apollo program and the fourth Moon landing.It was the first J mission, with a longer stay on the Moon and a greater focus on science than earlier landings.
During the Cold War, the Soviet Union took the lead in the Space Race with the launch of Sputnik 1 on 4 October 1957. Sputnik was the first artificial satellite in orbit around the Earth, and the surprise of its successful launch, compounded by the resounding failure of Project Vanguard to launch an American satellite after two attempts, had been dubbed the "Sputnik crisis" by the media and ...
Occurring behind the Moon, out of contact with the Earth, this engine burn put the spacecraft into orbit around the Moon. It was the first test of the new procedures for using both SPS during a long burn. Loss of signal (LOS) was at 78 hours, 23 minutes and 31 seconds GET as the spacecraft went behind the Moon as seen from the Earth.
Moon landing deniers say there's clear photographic evidence of this, and point out that because there's no breeze on the moon, this must be fake. Apollo 11astronaut Edwin Buzz Aldrin, on the Moon ...
Source: NASA Armstrong took the photo with a 70mm lunar surface camera while the two explored a region of the moon known as the "Sea of Tranquility.". At an event promoting his new book, No Dream ...
In 2002, astronomers tested the optics of the Very Large Telescope by imaging the Apollo landing sites. [53] The telescope was used to image the Moon and provided a resolution of 130 meters (430 ft), which was not good enough to resolve the 4.2 meters (14 ft) wide lunar landers or their long shadows. [54]
The first crewed orbital test of the Lunar Module (LM) was accomplished on Apollo 9, the "D" mission. Apollo 8, flown to the Moon's orbit without an LM, was considered a "C-prime" mission, but its success gave NASA the confidence to skip the "E" mission, which would have tested the full Apollo spacecraft in medium or high Earth orbit. Apollo 10 ...
The moon carries a static charge and actually zapped Cassini with a beam of electrons—the equivalent of a 200-volt charge—as the spacecraft zoomed by in 2005. 22. Thalassa and 23.