Space Exploration Stack Exchange
Space Exploration Stack Exchange

Questions tagged [eva]

Extra-Vehicular Activity (EVA, or sometimes called "spacewalking") involves donning a space suit and leaving whatever vehicle you are in. Common reasons are repairing or maintaining said vehicle, but can include exploring the space or celestial object near your vehicle.

Buzz Aldrin, as photographed by Neal Armstrong, during their historic EVA to the Lunar surface

Buzz Aldrin on the moon

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Spatial screwdriver

I watched the Kimbrough and Whitson's EVA on 01/06. And I'm wondering why astronauts use custom screwdriver and not the usual ones (like Makita or Dewalt, for example) ? Is it because of the battery technology ? Rotation speed ? Something else…
Loïc G.
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Zero gravity spacewalk above low Earth orbit?

There have been a lot of spacewalks in LEO and there have been moonwalks too. Voskhod, Gemini, Soyuz, Apollo, Skylab, Mir, Space Shuttle and ISS. But what about EVAs above LEO and below the orbit of the Moon? What was the biggest distance to Earth…
Uwe
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Rescue of untethered astronaut or cosmonaut at ISS

If an astronaut or cosmonaut at the ISS becomes separated and floats away accidentally during an EVA, is there a way to rescue him or her?
dualredlaugh
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How many female astronauts have worn the large space suit on a space walk?

The recent all-female spacewalk was canceled because Anne McCain felt the medium sized suit was the correct choice for her for safety reasons, and there weren't enough medium sized suits. Of course, the inventory of space suits was chosen back in a…
Cort Ammon
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How many people can go on a spacewalk?

According to the lists of spacewalks (1965-1999, 2000-2014), spacewalks have all consisted of only two people. The only exceptions are the very early space missions, where only one person went out, and one spacewalk on STS-49 which had 3 people. …
Phiteros
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Have astronauts lost fingernails on spacewalks before?

Spacewalks can be notoriously taxing on the body - a multi-hour spacewalk is often compared to a marathon in how much the astronaut must exert to overcome the stiffness of the suit. I remember reading that in a couple of instances, astronauts have…
Ingolifs
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Humans surviving in space

To my (admittedly limited) understanding a human being in outer space wouldn't last very long, mainly due to three factors: the extreme cold the intense radiation and the vacuum of space So if my understanding is correct, humans would die within…
Jimmery
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Can I survive long enough before being rescued, naked in space?

If I float in space naked, what will be the consequence for my wellbeing? What will happen to my skin? What will happen to my body due to the zero pressure surrounding me? Will the air be sucked from my lungs? Will my blood stream out of my poors,…
Deschele Schilder
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