In a way, we can consider November 19, 1969, as the birth date of extraterrestrial mountaineering. It was not, to be honest, the ascent of an actual mountain, but only the climbing of a modest lunar crater, inside which the American probe Surveyor 3 had gone to rest in April 1967. Charged with the recovery were the two Apollo 12 astronauts, Charles Conrad and Alan Bean, the third and fourth men to touch the surface of our satellite.
The series of seven Surveyor probes, launched from May 30, 1966, to Jan. 17, 1968, were intended to prepare the ground for the astronauts' arrival by gently landing in various lunar regions and assaying the texture of the soil, as well as transmitting thousands of photographs of the surface.
The probe's recovery took place happily, but not without difficulty. The slope of the outer wall of the small crater (200 m in diameter) where Survejor had gone to rest was modest, at about 15 percent, yet the presence of the lunar suit hindered the two astronauts in no small measure. The reduced lunar gravity, only one-sixth of Earth's, rather than helping, also posed problems, especially in balance. Thus, Conrad was the first man to fall on the moon.
In subsequent missions, as the lunar module's residence time became longer, tumbles became a constant, with often comical effects. But at that time it was preferred not to take risks: the recovery was completed using a mountaineering rope for belaying.

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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com
Credits: Nasa/Shutterstock/Storyblocks/Elon Musk/SpaceX/ESA/ESO/ Flickr

Video Chapters:
00:00 Introduction
03:17 Earth mountains
06:38 9) Arsia Mons
07:58 8) Euboea Montes,
09:06 7) Elysium Mons
09:40 6) Ionian Mons east ridge
10:20 5) Ascraeus Mons,
11:00 4) Boosaule Montes
11:35 3) the Equatorial ridge of Japetus
12:40 2) Olympus Mons
14:30 1) Rheasilvia central peak

#insanecuriosity #tallestmountains #solarsystem

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