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One hull crack located in ISS, another one suspected

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Re: One hull crack located in ISS, another one suspected

#81

Earlier quoted context omitted.

> Parking it in L4 or L5 could keep it for future generations but it would be even more of a challenge to go visit. "If your planet has one or more broken down space stations on its lawn, you might be a redneck colony." (Sorry.)

That's hilarious. Is that from anywhere beyond being a take on that one comedian's shtick?

I imagine it's from a popular science fiction novel.

Re: One hull crack located in ISS, another one suspected

#82
post #54
post #42

Earlier quoted context omitted.

I think we need a "Space New Deal", I'm honestly saddened by the lack of progress in space in my lifetime. I mean we've done some great work, but we haven't made any giant leaps since getting to the moon 51.5 years ago. Thankfully, we do have SpaceX et. al. who really are making some big strides -- but how do we multiply & speed up that effort? ... sorry, I'm being selfish, but I really want to go to Mars.

> but how do we multiply & speed up that effort? I think it's pretty much politically impossible. The first big space push was mostly a political pissing match (i.e. not really driven by doing it for its own sake). It's pretty easy to come up with other major challenges that most people will consider more important that also aren't getting funding ... so private industry looks more likely to get some traction. States…

Like the last space race you just need the military to fund the research under the guise of civilian space exploration.

Re: One hull crack located in ISS, another one suspected

#83
post #56

Earlier quoted context omitted.

Are you sure it was a translation? I assumed it was quoting Solovyov speaking English.

It's not even the interview that's the issue, the actual text the author wrote is a mess too. >He underscored that air loss due to the crack are insignificant. >In November, Russian cosmonauts photographed the suspected leak location on the outside of the ISS, but found no hull damage at where the crack is supposed to be. Granted, it's understandable, but it sounds like someone who learned English in school but never…

I tried to make the two sentences grammatically correct:

>He underscored that the air loss due to the crack a̶r̶e̶ is insignificant.

>In November, Russian cosmonauts photographed the suspected leak location on the outside of the ISS, but found no hull damage a̶t̶ where the crack is supposed to be.

These seem minor to me, compared with some horrific ad copy that I've seen, which mangled SVO order or used completely inappropriate terms. Articles and plurals are hard for non-native speakers whose mother tongue do not have them (not sure if Russian does or not), and prepositions require memorizing a large number of idioms.

Re: One hull crack located in ISS, another one suspected

#84
post #66
post #42

Earlier quoted context omitted.

I think we need a "Space New Deal", I'm honestly saddened by the lack of progress in space in my lifetime. I mean we've done some great work, but we haven't made any giant leaps since getting to the moon 51.5 years ago. Thankfully, we do have SpaceX et. al. who really are making some big strides -- but how do we multiply & speed up that effort? ... sorry, I'm being selfish, but I really want to go to Mars.

There has to be some revenue stream beyond just satellite launches and government research. Right now there's only so many reasons to go to space and a lot of those are pretty small markets or able to be served by one or very few provider(s) pretty well.

low attenuation fiber optic cables?

https://madeinspace.us/capabilities-and-technology/fiber-opt...

(similar to, but not the same as, zero attenuation fiber optic from the fictional book Artemis by Andy Weir) https://en.wikipedia.org/wiki/Artemis_(novel)

Re: One hull crack located in ISS, another one suspected

#85
post #66

Earlier quoted context omitted.

There has to be some revenue stream beyond just satellite launches and government research. Right now there's only so many reasons to go to space and a lot of those are pretty small markets or able to be served by one or very few provider(s) pretty well.

Frankly, I expect the zero-g sex market to be a pretty big draw for the folks with more money than sense.

I can only guess that it would be much harder to accomplish than one would imagine. Definitely want a padded room so you dont bang your head, or other parts slamming into sharp objects.

Re: One hull crack located in ISS, another one suspected

#86

Earlier quoted context omitted.

Out of the curiosity, what is the radiator design?

rot13 because it's a bit of a spoiler (IMO half the fun of reading hard sci-fi is seeing the science and engineering being presented): Gur fuvc gur cebgntbavfgf geniry ba vf cebcryyrq ol INFVZE guehfgref, cbjrerq ol n ahpyrne ernpgbe ehaavat zbygra zrgny nf pbbynag. Gb enqvngr njnl tvtnjnggf bs gurezny cbjre, gurl rzcybl n enqvngbe gung vf rffragvnyyl n ynetr neenl bs 3Q cevagref. Gurer ner ornzf fbzr uhaqerqf bs zrg…

Further reading - uggcf://ra.jvxvcrqvn.bet/jvxv/Yvdhvq_qebcyrg_enqvngbe

Re: One hull crack located in ISS, another one suspected

#87
post #64

Earlier quoted context omitted.

>Then there's a genuine question of what this enormous expenditure truly buys us. It helps to answer the question of whether or not humans can even survive long term away from Earth. Sure, if you judge it purely by the price tag, it's not doing very well. If you judge it by the scientific, societal and philosophical implications, we're not spending nearly enough.

> It helps to answer the question of whether or not humans can even survive long term away from Earth How will it answer that question that we already don't know of? I don't think that was the aim of ISS anyways and will definitely won't be the aim of second ISS. Humans can survive in space for year without significant physical damage but with lot of training.

To me, it's just so odd that people don't seem to understand why we have an ISS. Is the main argument "We've already learned what's needed about life in space, and now we don't need a space station anymore"? That seems absurd.

Re: One hull crack located in ISS, another one suspected

#88

Not a big space person, but this makes me wonder: why have we not planned for a new ISS? We must have better tech nowadays from all the working countries/groups currently involved, plus SpaceX and other space companies' backing that would not have existed as it does now back when this ISS was first designed/created.

Because the scientific value is dubious. Most of the experiments tend to be "doing X, but in space" or looking for solutions to medical problems that only occur because you are on the ISS on the first place.

Re: One hull crack located in ISS, another one suspected

#89

Earlier quoted context omitted.

Is it possible it could also be from constant heating and cooling cycles as it orbits?

Those are the cause of the stress cycles. Components don't expand/contact uniformly, resulting in deformation and therefore stress. This process goes through cycles, causing stress cycles which eventually cause the growth of cracks (fatigue).

Have we invented a material that is resistant to these thermal cycles indefinitely, or at least within a range of temperatures of several thousand degrees? I'm never going to have my own Star Destroyer if we continue to use subpar materials.

Re: One hull crack located in ISS, another one suspected

#90
post #54
post #42

Earlier quoted context omitted.

I think we need a "Space New Deal", I'm honestly saddened by the lack of progress in space in my lifetime. I mean we've done some great work, but we haven't made any giant leaps since getting to the moon 51.5 years ago. Thankfully, we do have SpaceX et. al. who really are making some big strides -- but how do we multiply & speed up that effort? ... sorry, I'm being selfish, but I really want to go to Mars.

> but how do we multiply & speed up that effort? I think it's pretty much politically impossible. The first big space push was mostly a political pissing match (i.e. not really driven by doing it for its own sake). It's pretty easy to come up with other major challenges that most people will consider more important that also aren't getting funding ... so private industry looks more likely to get some traction. States…

> The first big space push was mostly a political pissing match

And then next one will be too, only with China

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