Questions tagged [soyuz-spacecraft]

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

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16
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2answers
1k views

Highest apogee of a Soviet/Russian crewed spacecraft?

I wonder which Soviet/Russian crewed spaceflight reached the highest apogee and how high. For America, the highest apogee ever reached is 1,368 kilometers (~ 850 mi) by Gemini 11 (except that America ...
0
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0answers
50 views

Why is Progress M-47 never considered with regard to hypothetical Columbia rescue missions? [duplicate]

Progress M-47 was launched to resupply the ISS only one day after the Columbia disaster. Hypothetical scenarios for a Columbia rescue mission following early detection of the tile damage always focus ...
7
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2answers
320 views

How much of the printed materials (manuals, instructions etc.) were allocated for the crew's use in Space Shuttles?

Whilst watching youtube video of an occasional Soyuz spacecraft launch (Soyuz ТМА-19М in this case), I've noticed (at 8:07) this large bundle of books. Another video of TMA-16M flight at 39:40 shows ...
9
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1answer
181 views

Is there an equivalent of the Dragon 'claw' and Apollo umbilical fairing between the Soyuz crew and service modules?

The Apollo service module provided power etc. to the command module through umbilical connections covered by a fairing. When the two modules were separated, a 'guillotine' cut through the cables and ...
2
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0answers
43 views

What is the splash down speed of the manned dragon capsule?

What's the rated speed of the crewed dragon capsule? Do we have any data on the actual measurement for the demo mission? I'd also appreciate any info on speed for Soyuz, other soviet manned, Apollo, ...
12
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2answers
1k views

Are any of these Soyuz controls involved in separating the orbital module?

According to this Q & A, it's very likely that the Soyuz spacecraft's orbital module can be manually separated independent of other spacecraft operations. On this CollectSpace page, there's an ...
12
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1answer
884 views

Is this smoke from Expedition 53 returning Soyuz capsule?

I was clicking through YouTubes and came across the NASA Video ISS Expedition 53 Landing in Kazakhstan (also here). I don't recall seeing such prominent and continuous smoke from returning Soyuz ...
7
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3answers
897 views

Soyuz has a Space Periscope?

The image Photo ID: ISS049-E-003166 can be found in Flikr and Wikimedia Commons as well as in Spaceflight Now. There is a long (perhaps 1 meter?) green structure that is sticking out from the side of ...
5
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1answer
601 views

What technical details exist about the Soyuz TMA spacecraft and its Simvol Displays & Cockpit Controls?

I am looking for technical details about the soyuz tma, simvol displays and cockpit controls in general. Something like the NASA familiarization manuals, but for Soyuz. And in english :) Can anyone ...
4
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2answers
291 views

Landing shock of Soyuz spacecraft?

Every astronaut launching on a Soyuz has a custom-made seat. The seat should prevent injuries from the very hard landing. Are there any numbers about the maximum decceleration when hitting the ground?
4
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1answer
265 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 ...
3
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1answer
128 views

How do Russians enumerate old Soviet space missions?

How are old Soviet space missions numbered in Russia? Were the earliest missions actually given a number, or are they referred to by their cosmonaut, or by a spacecraft nickname instead? Does the ...
19
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2answers
2k 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 ...
10
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1answer
481 views

How close to a building has a Soyuz landed?

Soyuz capsules are designed to land onto land. To avoid the small chance of harming people or property, they are usually targeted to land in remote parts of Kazakhstan. However, some landings aren't ...
-3
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1answer
115 views

Why are the Soyuz and Progress spacecrafts about as expensive as the Soyuz rocket?

I have found this text: "In billion rubles: For Progress (without the cost of ~2.8 tonnes of cargo): Rocket: ~1.25 (Soyuz 2.1a) = 20.83 mil dollars Ship: ~0.9 (Progress MS) = 15 mil dollars ...
4
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2answers
117 views

Do non-American space travellers train on Dragon capsule as well?

Soyuz is a spacecraft which still uses technologies from soviet era. The Dragon capsule is state of the art with its electronic upgrades. With Russia and US sharing the International Space Station ...
3
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0answers
42 views

Soyuz parachute cord/rope forces

I'm wondering about the forces (e.g., how much pressure is being applied, how much pulling force, etc.) experienced by the ropes of the Soyuz parachutes when they are deployed. Many thanks!
5
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0answers
130 views

Will Soyuz spacecraft be able to visit the Lunar Gateway?

I mean launch from Earth, dock to the gateway and come back.
6
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1answer
87 views

Are there any differences in docking procedures between ISS and manned capsules vs. unmanned capsules?

The Russian Soyuz has an extensive history in docking with ISS with both manned and unmanned capsules. SpaceX just recently demonstrated manned-capsule docking with ISS with a history of unmanned ...
2
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1answer
100 views

Why were there two Soyuz 39?

Why were there two Soyuz missions numbered 39? There was Soyuz 7K-T No.39 in 1975, and Soyuz 39 in 1981. Questions about similarly confusing numbering by NASA: Why did Apollo mission numbering skip ...
6
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1answer
141 views

Why does the ISS occasionally operate with just 3 crew members?

There have many instances where the ISS only has 3 crew members, often for many weeks. This places significant strain on workload and productivity. Why isn't a new crew launched quicker?
10
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3answers
2k views

Why doesn't Roscosmos launch Soyuz spacecraft with only Russians on board?

Just very curious. There are three seats in the Russian Soyuz spacecraft, and sometimes just one astronaut of the three is a Russian and the other two are either one American and someone from yet ...
11
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2answers
727 views

How do items from the Russian and Soviet space programs end up in private collections?

A member today posted this photo showing a complete instrument panel from a Soyuz TM capsule, and a globus instrument from a Voskhod capsule: Both items are in their private collection. Only 5 ...
23
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2answers
7k views

What happens to Soyuz reentry capsules after landing?

What happens to Soyuz reentry capsules after landing? I guess some must go to museums, but quite a lot of them have returned now. Is there any indication of where and how they are stored?
4
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1answer
129 views

How did the atmospheres of Soyuz, Shuttle, Mir, and ISS compare?

Soyuz and the Space Shuttle each docked with Mir and the International Space Station. When docked, the crew vehicle and station each share a common atmosphere for the crew to breathe. However, how ...
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0answers
84 views

What are these two items sticking out of Soyuz capsule MS-13 with returning Expedition 61 Crew? [duplicate]

At 18:55and 19:00 in NASA Videos' NASA Television Video File- MS 13 Hatch Closing Undocking Landing - February 6, 2020 what ...
22
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2answers
7k 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 ...
16
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1answer
902 views

Does the Soyuz spacecraft chemically stabilize its hydrogen peroxide (H₂O₂) to remain ISS-dockable for 200+ days?

Hydrogen peroxide (H2O2) from the local shop (dilute, 2-3%) sometimes has a stabilizer to slow its breakdown rate and increase its "shelf-life", since we'd like to keep it around the house on our ...
8
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4answers
354 views

Why is Soyuz's third stage's engine cutoff the most intense?

Based on the motion and reaction of the cosmonauts, the 3rd stage engine cutoff (cued video) at about T+ 08:46 in this video of a Soyuz ascent causes greater ...
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2answers
118 views

What are these Soyuz Astronauts/Cosmonauts holding in their hands before launch? [duplicate]

What are these Soyuz Astronauts/Cosmonauts holding in their left hands before launch? I suspect it must be the pump for the active cooling system by pumping water similar to those in EVA suits, but it ...
2
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3answers
518 views

Why are these Soyuz Astronauts/Cosmonauts wearing sun glasses and a blanket after landing?

Why are these Soyuz Astronauts/Cosmonauts wearing sunglasses? Is there any scientific reason for this? (Please don't say they want to look cool) I have not seen Shuttle Astronauts wearing sunglasses ...
5
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0answers
245 views

Why will Russia start arming cosmonauts again?

The Phys.org article Russia to give cosmonauts guns to fend off animals on landing says: Cosmonauts have been unarmed for more than a decade but Roscosmos agency head Dmitry Rogozin said it was time ...
4
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1answer
182 views

Tracking the Soyuz MS-15 approaching the ISS with binoculars

Next Wednesday, September 25th, the Soyuz MS-15 will be launched from the Baikonur cosmodrome. I guess the trip to the ISS will be long (6 hrs to 24 hr) as usual. I want to see both the ISS and the ...
12
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1answer
2k views

Has USSR/Russia launched humans on any rocket not derived from R-7?

The Soviet Union's first crewed launch, Vostok 1, was on a Vostok booster, derived from the R-7 ICBM and Sputnik satellite launcher with an additional stage added. The Soyuz boosters used today by ...
5
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1answer
472 views

What are those big valves on Soyuz control panel for?

What function do the two large, chunky red valves on the center of the Soyuz control panel have? They are located in the lower middle of this image, just above the Vizor periscope. I wish to know ...
9
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2answers
2k views

Microgravity indicators

As mentioned in the YouTube clip below and in the image, in the Soyuz craft hangs small toys or dolls as microgravity indicators. Is this really the purpose of the dolls being hung? Are people not ...
3
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0answers
62 views

Soyuz reentry acceleration profile with timing

I am looking for reentry Soyuz acceleration profile with timing. I was able to find graphs for ascent, but failed to find anything related with descent. The only thing I've got is Andreas Mogensen ...
14
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1answer
596 views

How many people have returned to Earth in a different type of vehicle than the one that launched them into space?

Recently we had the 15 year anniversary of Expedition 1 of the ISS. That particular crew launched in a Soyuz (TM-31) and returned on a Space Shuttle (Discovery, STS-102), which I found a remarkable ...
3
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1answer
128 views

Why did the Soyuz 7K-LOK use fuel cells rather than solar panels?

The Soyuz 7K-LOK, a heavily-modified derivative of the 7K-OK, was to have been the Soviet equivalent of the Apollo CSM, taking two cosmonauts to lunar orbit (from where one would transfer to the LK ...
9
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0answers
123 views

Detailed information about the Soyuz descent module connection box?

Anyone have some detailed information about how all this connectors, located in the soyuz descent module? Are they used only when they setup the Soyuz or they are ...
16
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1answer
568 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 ...
3
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1answer
167 views

Seating in Soyuz 18 capsule

Working on an alternate-history SF story that involves an orbital rescue in 1975 requiring use of the Soyuz 18 capsule. This had room for carrying up to 3 cosmonauts to orbit but only carried 2 to ...
14
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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 ...
5
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1answer
560 views

Could the Orion or Apollo command module safely land on land in an emergency due to a navigation error?

So we all know that the Apollo missions used a water landing, as will Orion, while the Soyuz lands on land but can land on water if needed. What would have happened if an Apollo crew began reentry in ...
15
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1answer
1k views

Soyuz Steering during Re-Entry

In this youtube video, it talks about steering Soyuz by changing lift. Why does roll rotation help in changing lift and also helping in cross range steering? I am looking for an answer from ...
19
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1answer
2k views

How did the attitude system of the uncrewed Soyuz 7K-OK No.1 fail on the launch pad in 1966, killing ground staff as LES was activated?

Wikipedia has a stub article on the loss of the Soyuz 7K-OK No.1 test flight in 1966-12-14, but this part doesn't make sense to me: However, once the Soyuz rocket's engines ignited, they did not ...
4
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2answers
844 views

When astronauts or cosmonauts get seated in the spacecraft, are they actually sitting up or lying down?

This might be more of a physics question. If it is, I'll post it in the physics site. If the spacecraft is vertical, wouldn't the astronauts be seated in a lying position so that the G forces do not ...
10
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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 ...
3
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1answer
873 views

Where is the hole now? (ISS/Soyuz spacecraft hole)

Gizmodo's Report: ISS Hole Drilled From the Inside, Cosmonaut Says has made me realize I've lost track of the hole. It was in the part of a Soyuz spacecraft docked to the ISS wouldn't contain the crew ...
11
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1answer
1k views

Can a Soyuz-MS still propel itself back to earth if all its Hydrogen Peroxide decomposed?

In this answer it is stated that: If the fuel fully decomposes then return to Earth is still possible but only via ballistic descent I find it a little bit surprising, but maybe there is enough Δv ...