ty%20Unit.) that it has only been tested 4 times at the ISS. I think I would have been laser-focused on how I was going to get back. I wonder if he had any temptation at all to fly just a little farther away. The farthest a (living) human being has ever been from everyone else, is apparently Al Worden during Apollo 15.īut it must have felt different in his spacecraft than McCandless, who must have felt more exposed and free. It has to be a record, if we can phrase it properly. McCandless must have had a really unique feeling. There is not enough "left and right", not nearly enough "picture" to show how the forest just seems to go on and on until it swallows you.Īn apt description of about all of my nature photos ever! The picture you took doesn't convey the depth of the forest, and it only shows a little piece of what is around you anyway. And it comes out like nothing, because your camera isn't very good. Have you ever been out in the forest and become overwhelmed by all the majestic trees and green leaves all around you? And you try to take a picture of it all. I wonder, Has SAFER ever been used? I mean, has any astronaut or cosmonaut found himself suddenly untethered during an spacewalk and had to find his back to ISS using SAFER? That's pretty scary. The MMU was later replaced with the SAFER backpack propulsion unit. With a mass over 140 kilograms, an MMU is heavy on Earth, but, like everything, is weightless when drifting in orbit. The MMU worked by shooting jets of nitrogen and was used to help deploy and retrieve satellites. During Space Shuttle mission 41-B in 1984, McCandless and fellow NASA astronaut Robert Stewart were the first to experience such an "un tethered space walk". Guided by a Manned Maneuvering Unit (MMU), astronaut McCandless, pictured, was floating free in space. APOD Robot wrote: ↑ Sun 4:08 am To Fly Free in SpaceĮxplanation: What would it be like to fly free in space? At about 100 meters from the cargo bay of the space shuttle Challenger, Bruce McCandless II was living the dream - floating farther out than anyone had ever been before.
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