Questions tagged [soyuz-spacecraft]

Questions regarding the Soyuz manned spacecraft used by the Soviet and Russian space program.

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4
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1answer
626 views

Why do astronauts spend a night at a hotel one day before the launch? How did they board the Shuttle

I heard somewhere that it was some sort of a tradition for astronauts to spend one night at some kind of hotel. As far as I know, astronauts and cosmonauts ride in a bus down to the launch site, where ...
9
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1answer
476 views

Why aren't there many audio soundscapes recorded within the spacecraft?

First of all, let me explain that I am totally blind, and audio is my primary source of information. Through soundscapes, I can hear how big or small a room is, and make pictorial and spatial images ...
5
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2answers
2k views

What does Soyuz's button-pushing “fancy stick” look like? Are there others?

In the Smarter Every Day video How to FLY A SPACESHIP to the SPACE STATION - Smarter Every Day 131 the host Destin Sandlin (seated in the center seat of a Soyuz capsule) asks astronaut Scott Kelly (...
6
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1answer
145 views

Where did Soyuz and Progress dock with Mir?

I'm piecing together a chronological timeline of Mir station including manned and unmanned visits to the ship, time of docking and undocking, and location of docking. My question is around the ...
11
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1answer
563 views

How much manual flying is done in a modern manned spacecraft?

Considering we live in an age of unmanned spacecrafts, with computers more than capable of managing everything from attitude control, burns, to docking and insanely precise powered landings; how much ...
12
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2answers
219 views

Is the location and time of a scheduled re-entry (e.g. Soyuz) announced in advance?

I’m aware of NOTAMS (notice to airmen) which are issued for launches of rockets, as for example mentioned in this answer. The same seems to be the case for deorbiting second stages (see here and here)....
4
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1answer
278 views

Do the Soyuz spacecraft bringing astronauts and supplies to the ISS use Ukraine-built Kurs systems?

A comment below this great answer about the Kurs navigation and docking system linked to the following page on the Ukrainian company Elimz website: http://www.elmiz.com/en/product/orbitalnyj-servis-...
-2
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1answer
399 views

What is the “true” cost to send a freighter (spaceX or SoyuZ) to the ISS? [duplicate]

What is the real cost (all costs) in to send a freight craft to ISS? Which launch system is the most cost effective?
2
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1answer
185 views

Roughly what is the rate of energy loss of survivable capsule re-entries?

In this answer I've estimated the peak rate of energy loss of a particularly unwise re-entry as 3 to 4 gigawatts. Never mind that it's 15-20 gees of acceleration, that's a lot of power injected into ...
21
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2answers
3k views

Why did Soyuz TMA-18M take two days to reach the ISS?

Typically, a Soyuz crew vehicle takes 4 orbits to reach the ISS, but the Soyuz TMA-18M took 34 orbits or 2 days to reach it. Why is there so much variation from typical missions?
3
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2answers
504 views

Why will Soyuz MS-04 bring only two crew to the ISS?

Soyuz MS-04 has the distinction of being the first manned launch of 2017, and the first (at least in a while?) to bring only two, rather than three crew members to the ISS. Is there an official ...
6
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1answer
226 views

Soyuz seat - return

Every astronaut launching on a Soyuz has a seat custom-made (source). However, I don't believe astronauts typically return on their original Soyuz, and I know that they don't always. In this case, are ...
2
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1answer
370 views

Could astronauts wear EVA suits in the Soyuz?

There's a problem with maintaining the EVA suits on the space station. Since the Shuttle was canceled, only recently has Dragon made it possible to bring the suits down to ground for refurbishment, ...
7
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1answer
270 views

How are soyuz spacecraft adapted to 2 people crew?

Since Russia is going to send only 2 people crew to the ISS for a while, I wonder how will they adapt the spacecraft. Do they remove the 3rd seat ? Can they put extra cargo on theses flights ?
21
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4answers
4k views

Did the soft-landing rockets malfunction in the Soyuz (expedition 50 crew) landing?

I just watched the live feed of the Soyuz capsule landing in Kazakhstan. All the way down the narrator was describing the expected sequence of parachutes and how retro-rockets would fire approximately ...
12
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1answer
1k views

How does the landing accuracy of Dragon (under parachutes) compare to Soyuz?

The Dragon capsule landed yesterday, and I saw this picture of it: Historically, capsules had a rather large uncertainty when landing, especially with parachutes. This picture was obviously taken ...
13
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1answer
3k views

How do the Soyuz flight control sticks operate?

I would like informations on the flight controls of the Soyuz spacecraft. Especially the two control sticks, as shown in this picture (of a Soyuz simulator). I'm particularly interested by the user ...
9
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1answer
1k views

Why do the Russians call the Soyuz launcher the same name as the Soyuz capsule?

It is sometimes confusing that the Russians call the booster rocket Soyuz, and the payload Soyuz. Is there a reason for this naming model? Reading Anatloy Zak's book he notes several proposed ...
-2
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1answer
341 views

How can spacecraft be reusable for new missions? [closed]

When a spacecraft enters earth's atmosphere, it is totally destroyed and comes down as a single probe, so how can a spacecraft be reusable for new missions? The Soyuz spacecraft is launched on a ...
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3answers
3k views

So with Soyuz being retired, what gets people up to the ISS and back down now?

No Shuttle, no Soyuz, and SpaceX not ready for prime time. I don't get it.
4
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1answer
175 views

Were there any manned missions into orbit that went not to the ISS since the end of the Shuttle?

I know the Chinese did some to their own space station, but were there missions like the repair or retrieve missions the Space Shuttle did with for example the Hubble telescope?
4
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1answer
708 views

New Russian Sokol space suit [closed]

According to the pictures of the mission Soyuz MS-03, the crew is wearing a new "Sokol" space suit. The previous crew was still wearing the 1980 "vintage" KV2 version. Any information about this new ...
8
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1answer
428 views

On Mir, did they ever move a Soyuz at the front end, to a side docking port using Lyappa?

On Mir, the docking module was at the front end of the station. It technically had 6 ports (one was used to connect to Mir itself, so 5 exposed). In general the docking node had one active port ...
8
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2answers
1k views

What does the abbreviation “MS” for the current Soyuz version name mean?

A quick search the meaning of the abbreviations for the previous versions of the Soyuz spacecraft easily tells me their meaning: Soyuz T. 'T' is for транспортный, ...
8
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1answer
232 views

Can a crewed capsule land safely if its launch escape tower does not separate?

Apollo, Soyuz and Orion have used, are using or will use launch escape towers. If it is not needed, it must separate during flight. What if it does not separate? I suppose that the spacecraft would ...
9
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2answers
3k views

What is the ISS maximum altitude?

I see two threats to the ISS as its altitude goes up: Cosmic/solar radiation, which would endanger the crew and the electronics aboard. Orbital debris, which would have higher relative speed and ...
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0answers
47 views

Supply mission to ISS

Since the blowing up of third stage of Soyuz 2.1a it has been put at back burner and older version of Soyuz -TM put into survice. My question is since the contract with ESA also expire in 2016 when ...
5
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1answer
313 views

Are any parts of the Soyuz capsule re-used or re-manufactured?

Are any parts of the Soyuz capsule re-used or re-manufactured? From a previous post I know it is much too expensive to design the spacecraft for re-use or re-inspection, but can any components be ...
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1answer
296 views

What will the new rules, guideliness, and safety measure be for the ISS after NASA kicks out Soyuz?

Will US Policy be that there should be two Boeing CST-100 Starliner or SpaceX Dragon V2 craft attached to ISS at all times for the American segment of the station? Will Soyuz continue to be used?
18
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2answers
3k views

Why does the Soyuz parachute pulsate?

During the recent return of Expedition 47 from the ISS, I noticed the main parachute of their Soyuz capsule pulsating. You can see it in this video: "Flat": "Domed": My wife noted that it looks a ...
2
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1answer
138 views

Soyuz TMA-19M return

The launch of the next crew to ISS with Soyuz MS 1 has been delayed. Why the return date of the current crew on Soyuz TMA 19M remains unchanged? An extension of their mission for ca. 2 weeks would ...
12
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1answer
2k views

Stand clear sign on Soyuz capsule underside

This is a photo of the soyuz capsule posted by the asker of a previous question. One of the labels reads "Not to stand near this side". What is the reason for this? Is it because of active ionizing or ...
2
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1answer
154 views

Was footage released of the Soyuz TMA-20M crew arrival ceremony?

I couldn't find a YouTube video of the welcome ceremony of the newly arrived crew of Soyuz TMA-20M. Was there no broadcast on NASA TV of this event?
3
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1answer
176 views

Minimum Crew of Soyuz TMA-M

Is there a NASA or a Roscosmos safety guidelines or something, stating the minimum crew required to safely operate the TMA-M? I.e. get it into orbit and safely re-enter.
3
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1answer
432 views

What's the thick tube going into Soyuz?

In each footage from ISS I see this thick tube going through the hatches into Soyuz spacecraft, ending in the descent module. What is it for?
4
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1answer
348 views

Can the US Manned vehicles (CST-100, Dragon V2) dock to a Russian vehicle?

In some ways, this is a question in general about docking port compatability. The Russians have two types of ports, and the Americans are standardizing on the NDS (NASA Docking System, sometimes ...
21
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3answers
2k views

Can a single Soyuz return a crew of six back to Earth?

Let's say that the ISS has to be immediately evacuated and that one of the two Soyuz is broken. Could the crew quickly remove "unnecessary weight" (seats maybe?) and fit six person to return back to ...
15
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1answer
2k views

How do astronauts and cosmonauts sleep on a Soyuz?

Recently I learned that the Soyuz crew ship can take up to three days to reach ISS. I know that most of the time the travel takes only about 6 hours, but still: In case something happens, you have to ...
11
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1answer
633 views

What are the numbers on the Soyuz docking cam?

This morning I was watching another video of Soyuz docking to the ISS (Expedition 45/Visiting Crew Docks to the Space Station). The commentator noted that the two quantities $\rho$ and $\dot\rho$ in ...
11
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1answer
1k views

Flashing lights on soyuz underside?

Watching the recent landing video of TMA-16M, I noticed a flashing light on the underside of the soyuz (video here). There appears to be an off-centre, bright flash approximately every 10 seconds. ...
5
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2answers
372 views

Soyuz TMA-18M ISS rendezvous: expedited 4-orbit vs regular 34-orbit - How does fuel usage compare?

Follow up to this question: Why will Soyuz TMA-18M take two days to reach the ISS?. Clearly the expedited rendezvous is cheaper in terms of time. However I was wondering how fuel usage compares. Is ...
11
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2answers
531 views

Can Soyuz be used to perform maintenance on satellites

The Space Shuttle made several servicing mission for satellites, most famous ones would be to service Hubble. Would theses kinds of operations be feasible with a Soyuz spacecraft ? Would it be ...
5
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1answer
209 views

ISS: Procedure in case of collision warning

In case of collision warning occurring to the ISS, if ISS can't be moved the procedure is to go to a Soyuz and wait. Can anyone gives details about the procedure? Is the Soyuz hermetically closed ...
4
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1answer
222 views

Baikonur trip cancelled at the 11th hour (29 May 2014)

A friend and I travelled to Kazakhstan in May and booked a trip to see the 29 May launch. Everything was fine, we had permits for everything except the launch itself (all the museums, Gagarin's ...
8
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1answer
1k views

How does radar calibration using LEO orbited calibration spheres work?

On December 28, 2013 two Russian SKRL-756 calibration sphere satellites will be launched during the maiden flight of the Soyuz-2.1v, a brand new lightweight derivative of the Soyuz launch vehicle, ...
6
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1answer
897 views

What abort modes does Soyuz have in space?

In Progress 59 mission, the service module was damaged and venting pressured gas, which caused the spacecraft to tumble. What could be done if similar situation occurs on a Soyuz? Or generally, What ...
10
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2answers
829 views

Do the ISS crew also study Russian language?

I was watching this video and I realized that all the instruments on the Soyuz spacecraft is in Russian. So how can the non-Russian crew use those instruments? Do they also study Russian before the ...
11
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2answers
3k views

Why does the Soyuz spacecraft's parachute have so many lines?

Image shows a myriad of lines holding down the parachute. I can't even count them all. Is this really necessary? All those strings must surely add a lot of weight to the Soyuz TMA. I would think that ...
6
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1answer
441 views

Emergency plan for Soyuz missions

Recent ISS Cargo delivery via Progress ship was a failure, and it seems that Russian mission control lost the cargo ship completely. Since Progress ship is basically the same design as Soyuz: What ...
2
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1answer
229 views

Soyuz 16 ASTP rehearsal for Apollo Soyuz - Diagram required

I recall that I saw a diagram of Soyuz 16 (the full ASTP rehearsal performed by Filiptchenko and Rukavishinikov in late 1974) made by Schliadinsky in a magazine. It featured the docking ring simulator....