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As last module docks, China completes its space station

nytimes.com

111–120 of 401 posts

Re: As last module docks, China completes its space station

#111
post #26

Earlier quoted context omitted.

Your browser needs to support sharing geolocation.

No, it does not. An uncaught error where you don't catch and gracefully handle errors in your promises is not the users' fault. It's sloppy workmanship.

Maybe you should email the site and let them know instead of complaining on some random forum?

Re: As last module docks, China completes its space station

#112

Does anyone know to what extent China has advanced the state of the Soviet technology that they have (I assume) licensed? I have been to the Russian Star City training facility, Baikonur Cosmodrome and been in the full-size Mir training module and the Chinese station components look very similar. I am sure getting good information is difficult, but perhaps someone here has some more info.

Some of the features I know from the Chinese space station

- Solar panels smaller in area than ISS but produces similar amount of power, indicating much more efficient solar panels

- Ion thrusters to keep space in orbit

- Automated docking of cargo and crew capsule. Semi-automated docking of large station components like the 23ton labs

- A robotic arm similar to ISS that walk along the joint points on the station. It has expandable attachment system, allowing not only astronauts to attach, but also a smaller more precises robotic arm to attach that can manipulate external experiments.

- It has a crew airlock and a cargo airlock, the cargo one is larger than the one on ISS.

- It can also release small satellites through the cargo airlock.

- Dozens of external experiment attachment points, some (maybe all) has power and control

- What looks like pretty good communication links with the ground. Experiments can be controlled and monitored from the ground, saving astronaut time.

- What looks like some advanced experiment equipment, including three very accurate atomic clocks, near absolute zero cooling systems etc. But I am not well versed in physics to speak on these.

- It will operate a space telescope; telescope can dock with the station for servicing and upgrades, and equipment uploaded by regular space station cargo ship.

I think it is a well-designed system, surprisingly capable in terms of research capabilities. As China's space industry is completely sanctioned by US and Wassenaar Arrangement, all technology here are from Chinese industries and local supply chains: materials, precision manufacturing, communication equipment, sensors used for guidance/automated docking, robotic arm, ion thrusters, solar panels, networking and control system within the station, even to the logistic system of building, launching and running the station. Then there is the whole rocket system themselves, 100% success rate thus far with CZ-5/B, CZ-7 cargo ship, and Shenzhou launch vehicle. And then the global positioning and communications satellite network. And then there is the whole research equipment part. There are millions+ ppl involved in all of the projects here.

Re: As last module docks, China completes its space station

#113

Does anyone know to what extent China has advanced the state of the Soviet technology that they have (I assume) licensed? I have been to the Russian Star City training facility, Baikonur Cosmodrome and been in the full-size Mir training module and the Chinese station components look very similar. I am sure getting good information is difficult, but perhaps someone here has some more info.

Some of the features I know from the Chinese space station - Solar panels smaller in area than ISS but produces similar amount of power, indicating much more efficient solar panels - Ion thrusters to keep space in orbit - Automated docking of cargo and crew capsule. Semi-automated docking of large station components like the 23ton labs - A robotic arm similar to ISS that walk along the joint points on the station. It…

So then maybe a little late to sanction their tech to keep them from being peer competitors.

Re: As last module docks, China completes its space station

#114

Wait, in order to build this, they've launched half a dozen rockets up with no idea where the boosters would come back down and land? That seems up there amongst worst ideas I've heard for a while, "good luck everybody else." Edit: didn't realize this would be a controversial comment; per the article, the "norm" is to have a burn again after releasing their payload, to "control" / direct the return. The Chinese aren'…

Can you tell me what country does not launch their rockets in this manner, other than in test flights?

Re: As last module docks, China completes its space station

#115

Earlier quoted context omitted.

No, it does not. An uncaught error where you don't catch and gracefully handle errors in your promises is not the users' fault. It's sloppy workmanship.

If you get this error, you intentionally broke your browser, or are using a browser which doesn't support standard, essential functionality. This is not the same thing as declining or blocking geolocation permission, which is supported and does not cause errors. This specific error means you deleted the standard functions that implement the geolocation API, which is a completely different thing. That's fine too, you'…

> This specific error means you deleted the standard functions that implement the geolocation API

That's a rather flimsy straw man. I did no such thing.

> You're not automatically entitled to request that every site support your broken configuration.

Goodness, now I'm entitled.

I did no such thing; I just said that blaming your users for your sloppy coding is a terrible strategy.

Re: As last module docks, China completes its space station

#116
post #7

Now let's hope it will inspire more countries, or even companies, to launch their own!

I'd prefer countries to cooperate more. There's no need to have dozens of national space stations or even launch systems. Some diversity is Ok, but it's just too damn expensive.

It'll remain expensive if only countries are launching things. If commercial space launches continue to pick up steam it will get cheaper.

Re: As last module docks, China completes its space station

#117
post #113

Earlier quoted context omitted.

Some of the features I know from the Chinese space station - Solar panels smaller in area than ISS but produces similar amount of power, indicating much more efficient solar panels - Ion thrusters to keep space in orbit - Automated docking of cargo and crew capsule. Semi-automated docking of large station components like the 23ton labs - A robotic arm similar to ISS that walk along the joint points on the station. It…

So then maybe a little late to sanction their tech to keep them from being peer competitors.

US did sanction all of China's space industry, defense dual use industries since the 1990s, and never let go ever since. That is pretty early. And this is what happens 30 years since the sanctions. But I have no idea what will happen in the future, plus the nature of industry and technology is also different.

Re: As last module docks, China completes its space station

#118
post #82

Earlier quoted context omitted.

Unfortunately it’s about $2,720 per 2.2 lbs in even the best case scenario.

TIL for about ~$3,090, I could send a 40oz of Old English to space.

As long as it's set on a collision course with the Sun. Although I'm not sure the latter would survive.

Re: As last module docks, China completes its space station

#119

Wait, in order to build this, they've launched half a dozen rockets up with no idea where the boosters would come back down and land? That seems up there amongst worst ideas I've heard for a while, "good luck everybody else." Edit: didn't realize this would be a controversial comment; per the article, the "norm" is to have a burn again after releasing their payload, to "control" / direct the return. The Chinese aren'…

[deleted]

Re: As last module docks, China completes its space station

#120
The frustrating aspect for me about CNSA is how little PR they do, at least towards west although I don't think even inside China they are giving that much extra info on the missions and their progress. Just compare the media spectacle around e.g. Perseverance rover wrt Tianwen-1. Sure NASA has more material to work with but still we are getting frequent mission updates and almost daily new pics to ogle; meanwhile there are just couple of press photos from Zhurong and barely any news gets around.
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