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Astronauts told to return to ISS after sheltering over air leak repairs

bbc.com

31–40 of 283 posts

Re: Astronauts told to return to ISS after sheltering over air leak repairs

#31

Earlier quoted context omitted.

Ah yes, the well traveled and highly tested human mission to Mars.

The 10 non-Russian modules have been in vacuum for a quarter century and have done just fine despite facing more debris than in interplanetary space. So yes, this aspect is well tested. This stuff is literally part of the reason why the ISS exists in the first place.

The hubris of forgetfulness; to think that until Elon showed up the West couldn't even put a person in space anymore.

The Soyuz, the MIR, the human space records, the Venera program, closed cycle rockets, all have no equivalent in the West. Even their version of the shuttle was superior (it flew 100% autonomously).

I don't like Musk, but he single handedly saved the Western space programs.

Re: Astronauts told to return to ISS after sheltering over air leak repairs

#32

Dupe https://news.ycombinator.com/item?id=48413273

Probably better to link to the article, rather than a thread that has 0 comments. https://www.reuters.com/world/nasa-live-international-space-...

"The air leaks escalated on Friday from a pound of air per day to two pounds, according to a senior NASA official who asked not to be named.

Russian cosmonauts Sergey Kud-Sverchkov and Sergei Mikayev were using a saw to break into an area where they believed they could access the crack leaking air, the NASA official said.

NASA officials disagreed with this method, the NASA official added, prompting mission control in Houston to order safe-haven procedures."

Re: Astronauts told to return to ISS after sheltering over air leak repairs

#33

Imagine something like this happening halfway to Mars and zero chance of escaping, getting any help or parts sent to you.

The Zvezda module has been in orbit since July 2000.

I don't think any crewed interplanetary mission is going to last that long for the foreseeable future.

Re: Astronauts told to return to ISS after sheltering over air leak repairs

#34
post #16

Maybe someone who knows more about the ISS than I do can answer this: Naively, I would assume that there are airlocks between the different sections of the ISS. I would also assume that they would close these airlocks while doing the kind of work they are doing to repair the leaks. So, assuming I'm right (and my assumptions might be wrong,) why do the astronauts need to shelter?

If things go wrong, they're already in the vehicle supposed to bring them back. It might be upsetting to be 3 locked doors away from your best way to come back home

Re: Astronauts told to return to ISS after sheltering over air leak repairs

#35
post #12

Earlier quoted context omitted.

There is less debris around on the way to mars and this is a known and worsening for the ISS due to its age.

Debris from what? Satellite debris get in that orbit?

Debris from space. Lots of rocks are constantly falling from space from all over. Sometimes they're big and make pretty lights in the sky as they fall, often they are practically invisible.

Re: Astronauts told to return to ISS after sheltering over air leak repairs

#36

Imagine something like this happening halfway to Mars and zero chance of escaping, getting any help or parts sent to you.

Seems like these structural integrity problems are always inside the Russian section. So if you're on a Russian mission to Mars, yes it would be reasonable to be worried. Otherwise this seems like a non-issue.

Unless your spacecraft is built by Boeing.

We had two astronauts stranded in space for the better part of a year just last year!

Re: Astronauts told to return to ISS after sheltering over air leak repairs

#37
post #12

Earlier quoted context omitted.

There is less debris around on the way to mars and this is a known and worsening for the ISS due to its age.

Debris from what? Satellite debris get in that orbit?

Most of the things that will be a common danger (that is too small to track) are tiny pieces of stuff. Think paint chips and sand grain sized objects. These can be from things that came off rockets and ships, and things we've left behind like experiments and satellites. When these tiny things intercept you at many kilometers per second it can be dramatic.

Anything larger, say a lost screw driver, would punch thru the ISS like it wasn't even there leading to some ugly consequences.

Re: Astronauts told to return to ISS after sheltering over air leak repairs

#39

Imagine something like this happening halfway to Mars and zero chance of escaping, getting any help or parts sent to you.

Sort of like what happened on the Apollo 13 mission in 1970. Engineers on the ground were able to devise a makeshift fix to adapt the control module airscrubber filters to fit the lunar module so the astronauts could shelter in the LM for several days before getting back into the CM and coming home.

Re: Astronauts told to return to ISS after sheltering over air leak repairs

#40

Dupe https://news.ycombinator.com/item?id=48413273

Probably better to link to the article, rather than a thread that has 0 comments. https://www.reuters.com/world/nasa-live-international-space-...

Why would I steal a link from someone who submitted a story first and take credit? I know it's normal behavior in tech to stab everyone in the back but...
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