Questions tagged [soyuz-spacecraft]

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

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10
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2answers
485 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 ...
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2answers
2k 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 ...
5
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1answer
193 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 ...
6
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1answer
868 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 ...
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2answers
1k views

Why do Soyuz landings seem to be overshot?

Soyuz descent module re-entry flight is piloted (one of two modes AUS/computer or RUS/manual), using 8 thrusters, toward the Kazakhstan landing site. The ballistic re-entry occurs only when the other ...
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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
342 views

How does delaying Soyuz TMA-15M crew return help with ISS schedule slip due to failed Progress M-27M resupply vehicle?

After the failed Progress M-27M / Progress 59 resupply mission in late April 2015, Roscosmos and NASA have been working on ISS schedule changes to accommodate loss of supplies to the station, while an ...
6
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1answer
432 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 ...
21
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2answers
6k views

Why were Space Shuttle astronauts able to walk off the orbiter?

I am watching loads of ISS related videos and there is one detail I recently noticed; At the time, when Space Shuttles were still in operation and visiting ISS, when astronauts returned home, they ...
2
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1answer
244 views

How much payload, could a Soyuz return, without crew?

With the sad demise of the US Space Transportation System (Colloquially known as the "Space Shuttle") return of payload from orbit is very limited. Currently the SpaceX Dragon can return the most ...
2
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1answer
202 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....
5
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1answer
277 views

Will Soyuz TMA-16M have the most experienced crew?

I was looking at the names of the crew for Soyuz TMA-16M (for the year long expedition) and I was thinking "wow that's an experienced crew!". I looked up their combined experience and it shows as: ...
8
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1answer
1k views

Why does Soyuz use a single large parachute vs 3 on most American capsules?

Apollo, Gemini, (Not Mercury), Dragon, CST-100, the set of American capsules all seem to use three parachutes for landing the capsules. This seems like it makes sense. They are usually designed for ...
8
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1answer
732 views

What module(s) on the ISS do the Soyuz dock to?

I've started to notice more and more as I study the ISS, that I can only ever find pictures of one Soyuz docked. Where is the other one? Lets say their sending up a crew of 6 for an expedition. A ...
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2answers
2k views

Reasons for using a bi-elliptic transfer for Soyuz-ISS rendezvous

According to the ESA movie Soyuz rendezvous and docking explained, Soyuz uses a bi-elliptic transfer to move from the phasing orbit to the ISS orbit. Why is this more complex transfer used instead of ...
6
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1answer
1k views

What is the maximum velocity at which Soyuz TMA-M may transit through Earth' atmosphere at reentry without a heat-shield?

A quick follow-up to Re-entry Heat Shield Alternative Instead of looking for an alternative to heat-shield, I'd like to draw from analogous naval tactics I heard about; Back in the 1950's to 1960's, ...
9
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2answers
681 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 ...
-2
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1answer
680 views

How Soyuz spacecraft still in service, even though one of it module displayed at museum? [duplicate]

How Soyuz spacecraft still in service, even though one of it module displayed at museum? One of the soyuz module is displayed clearly at museum. Info-box of Soyuz Spacecraft still showing ...
-2
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1answer
319 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 ...
15
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1answer
3k views

How fast can the crew evacuate the ISS? (ACRV)

An important advantage of having a space station in LEO, as opposed to a space ship orbiting another celestial object, is allegedly that the crew can be saved by a quick return to Earth. But what ...
13
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2answers
3k views

How similar are Soyuz and Progress?

Superficially the Soyuz and Progress spacecraft look very similar: (Soyuz TMA-7) (Progress M-52) So it would be easy to imagine that they share a common service module and/or orbital module. But ...
3
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2answers
864 views

Progress M-25M launched because of Antares?

Was Progress M-25M launched in response to Antares' catastrophic failure or were they 2 different launches, both planned to reach the ISS "separately"?
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1answer
2k views

Why does the Soyuz cover its main engine?

As seen in Gravity, and also in this youtube video: , the Soyuz main engine is covered by a metal plate that it mechanically moved out of the way before firing. What is ...
8
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2answers
880 views

Would Soyuz meet NASA current rating standards for manned spaceflight?

If NASA were to apply the safety standards it is using on the CCtCAP program (Dragon V2 and CST-100 now chosen) would Soyuz meet those standards? I suppose it helps if we are clear on what the ...
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2answers
4k views

Why will the Orion system land on water, while the Soyuz lands on land?

I wonder why the Orion Multi-Purpose Crew Vehicle will only allow ocean landings while the Soyuz spacecraft is capable of landing on land? Also, what mode of landings does the Chinese space program ...
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2answers
2k views

Is it possible to fly with Soyuz spacecrafts around the Moon?

Space Adventures would send up two space tourists for about $150 million with a professional Russian cosmonaut for a mission around the Moon lasting 16-17 days: http://news.discovery.com/space/private-...
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1answer
214 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 ...
4
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1answer
241 views

What options exist for crew transfers to the ISS?

Since the retirement of the Space Shuttles, all crew transfers from and to the ISS are performed using the Russian Soyuz crafts launched with the launch system of the same name. Should Russia ...
20
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1answer
5k views

Why is a stick required to operate Soyuz's computer?

In this screenshot from the recent Soyuz TMA-12M launch, a crewmember is seen using a stick to enter commands into the computer: Is this stick standard, taken on all Soyuz flights? Also, why aren't ...
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0answers
139 views

Does naming cargo space craft indicate intentions?

ESA committed to launching 5 ATV vehicles. All 5 were named. JAXA has committed to a limited number of HTV launches. And all have been named. Orbital has contracted for 8 launches, and seems to be ...
16
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1answer
554 views

Is there an explanation for repeating Soyuz accidents involving misfiring of explosive bolts?

In the Soyuz program, quite a few accidents have been caused by malfunctions of the explosive bolts: Soyuz 11: Explosive bolts designed to fire sequentially fired simultaneously instead, causing a ...
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2answers
4k views

What is the outside of the Soyuz capsule covered in?

When you look at a Soyuz, it seems like the descent and orbital modules are covered in some kind of fabric-like material. You can see wrinkles and it does not look like traditional metal as you might ...
13
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1answer
3k views

How is the periscope port on Soyuz spacecraft secured for the atmospheric reentry?

Soyuz Backup Periscope (ВСК-4) is used in Soyuz spacecraft to align itself for orbital corrections, deorbit burn, and rendezvous with the International Space Station. Here is a cute closeup photograph ...
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2answers
981 views

What influenced the shape of the Soyuz descent module?

The original Vostok and Voshkod space vehicles were mostly spherical shapes. The Americans went with vaguely conical/capsule shapes. But Soyuz from the beginning has had a sort of gumdrop shape for ...
14
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2answers
3k views

Why is the descent module of the Soyuz in the middle of its stack?

The Soyuz is made up of three major components/modules. The Orbital module on top, basically a sphere, which is basically extra room, and contains the toilet, which allows for some modicum of ...
7
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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 ...
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, ...
13
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1answer
1k views

Do American astronauts wear Sokol space suits when flying on a Soyuz?

The Wikipedia article on the Sokol space suit seems to suggest that all personel traveling on a Soyuz vehicle must wear a Russian made spacesuit: Each Soyuz crew member is provided with a made-to-...
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3answers
4k views

Could a Soyuz land in water?

While watching Soyuz exp. 37/1 land, I was struck with a thought: that capsule looks an awful lot like a submarine. This seems to be a problem if the crew ever needed to make an emergency landing ...
18
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1answer
1k views

Why are three cosmonauts required to move a Soyuz?

The opening paragraph of this article caught my eye*: Three space station crew members put on spacesuits and boarded their Soyuz spacecraft Friday for a short trip to relocate the capsule to a new ...
9
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2answers
522 views

Have two individual ships been docked directly since Apollo-Soyuz?

During the Apollo-Soyuz test program, the Russians and Americans worked together on missions - and one big objective was to dock Apollo and Soyuz craft together. Afterward, however, there seem to be ...
8
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1answer
370 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 ...
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2answers
2k views

Do Russian and American spacecraft use the same docking mechanism?

Back in the days of the Apollo era, the Apollo–Soyuz Test Project had the two craft meeting each other in orbit and docking. The stated reason for this was so that if a spacecraft from one country was ...

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