Important thing is that the crew are safe. But this #Soyuz malfunction could have major implications for ISS resupply and crew missions in the coming months. Currently, the Soyuz is the only way people get to or from the station.https://twitter.com/BBCBreaking/status/1050311437825073158 …
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To be clear: there are other vehicles that can do resupply, and there’s no real concern about getting sufficient supplies to the current ISS crew. But how long they’ll stay up, when new crew will arrive, and whether there could be a period of vacancy are all unclear.
#SoyuzMS1010 replies 72 retweets 271 likesShow this thread -
Leaving the ISS vacant for any period of time would be a Big Deal. It has been continuously occupied for almost 18 years, and it’s not designed to do well up there without people on board doing maintenance.
#SoyuzMS107 replies 69 retweets 275 likesShow this thread -
One thing to note: the fact that the
#SoyuzMS10 crew were able to come back to Earth safely after the malfunction is a huge design advantage of the Soyuz craft. The space shuttle did not have the same capacity, with tragic consequences.10 replies 118 retweets 540 likesShow this thread -
Replying to @AstroKatie
That's a bit misleading. The event here happened after the LES was already removed so the contingency is more similar to the shuttle's RTLS or TAL
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Replying to @HedgeDogGaming
Hm OK. My expertise on this is somewhat limited. But my understanding is that the ability to safely get the crew out at almost any time during launch is a big advantage of Soyuz and a big problem of the shuttle. Specifics of when it was/wasn’t relevant are not clear to me.
1 reply 0 retweets 6 likes
You're right, the shuttle had a lot of red zones where it was simply not possible to save the crew in the event of a failure, most of these are during the initial first minutes of launch while the boosters are firing. 1/2
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Replying to @HedgeDogGaming @AstroKatie
If we assume a similar failure with the shuttle, at similar altitude and with the vehicle remaining intact, the shuttle should have been able to recover by either return to launch site or landing in Africa (altitude depending) 2/2
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