Questions tagged [zvezda]

Questions about the Zvezda (Service Module) of the Russian segment of the ISS.

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If there's a hole in Zvezda module, why didn't all the air onboard immediately escape into space?

The ISS is leaking through a hole in the Zvezda module that still hasn't been found. However, as with all pressurized chambers, shouldn't all air instantly run out through the hole into the vacuum of ...
4
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1answer
94 views

Are Zvezda's engines replaceable in orbit?

This answer mentions that Zvezda has S5.79 engines for reboosting the ISS. Wikipedia mentions that this engine has a burn time (ie. lifetime) of 2700 s. Dividing that lifetime by Zvezda's age (20 ...
6
votes
1answer
173 views

Is there internal diagram of Zvezda or information about the internal size of Zvezda?

I found a diagram of Zvezda showing the external features, but I can't find one showing the internal features. Does an easily obtainable diagram exist?
8
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1answer
705 views

Did the “Zvezda” module really dock to the ISS 2 weeks after launch?

Today I've read in the Facebook group of Roscosmos (original text in Russian) that 16 years ago on this day the Zvezda module was launched into space. According to the article 2 weeks later it docked ...
8
votes
1answer
489 views

What does Zvezda alone lack from being a capable space station?

A recent discussion on the ISS has raised some questions in my mind about Zvezda: Can the US Part of ISS survive independent of the Russian? What does Zvezda alone lack from being a capable space ...
10
votes
1answer
452 views

On Mir, Zarya, or Zvezda, do docking ports consume space inside the module?

I have been asking about why Zarya, Zvezda have the number of docking ports they have, and whether more will be needed. This got me thinking about what the inside of the docking module looks like. ...
9
votes
1answer
544 views

Why were the docking ports removed from Zvezda? (Service Module)

Zvezda, the third ISS module, (I think it was Zarya (FGB), Node 1, and then Zvezda) known as the Service Module was actually built as a spare for Mir and was originally to be the core of Mir-2. But ...
9
votes
1answer
2k views

Why is the Pirs docking module being discarded?

According to a ISS operations/launch manifest on May 2, 2014 the Progress docked to Pirs, will undock, with Pirs attached to deorbit it. ...
13
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2answers
990 views

Is the Nudelman-Rikhter gun installed on Zvezda module?

By having a gun on board, one can conduct military kinds of experiments. Exploring armoring approaches for spacecraft, warning systems for the personnel, orbital ballistic studies for the multi-body ...