Book your ticket to happiness with Sun Express Airlines. This is

CVS I in the world. I'm John Batchelor. The International Space Station,

I assess is leaking.

David Livingston, Dr Space himself as my colleague and co-host, this is Hotel

Mars episode N. We're very, very privileged to bring on Anacholy Zach who is the

go-to guy to understand Russ Cosmos and Russ Cosmos is the ISS.

This is about a module called Zvezda and it's been in the news for these last years because

of a leak.

ZVesta is maybe the senior module on ISS.

Over these decades, we're looking at many spacecraft arriving to link up with ISS and we can presume that that has wear and tear on Zvezda.

However, that's a guess.

And a totally a very good evening to you.

What is Vesta?

When did they first recognize the leak?

And where are we now?

Good evening to you.

Hello, John.

So ZVesta Service module is the most critical piece of the Russian segment of the international space station.

And it's a kind of heart of this Russian segment,

but it's also very important for the entire ISS project

because it's the module which contains propulsion system.

And of course, that's very important

...