Visit Your Local PBS Station PBS Home PBS Home Programs A-Z TV Schedules Watch Video Donate Shop PBS Search PBS

NOVA Online (click here for NOVA home)
Terror in Space
Site Map


Kvant-2 Kvant-2

View video tour of Kvant-2:
RealVideo: dialup | broadband
Get video software: RealPlayer

Take a Tour of Mir
Kvant-2
(back to Tour)

Kvant-2, the second module to be attached to Core Module (in November 1989) is known as the "Enhancement module" or the "Scientific and Airlock module." It is reached from the Transfer Node at the end of the Core Module. Kvant-2 provides a porthole for Earth observation photography, and an exit hatch for EVA (extravehicular activity, or spacewalks).

Over 40 feet long and 14 feet in diameter, Kvant-2 has three hermetic compartments. The main compartment has various apparatus, including two oxygen generators, to bring the entire complex closer to a closed-cycle environment. There is also a cubicle with a toilet. In an ingenious recycling scheme (water, like other supplies, is precious on Mir), used water is pumped through a column containing ion-exchange resins and activated charcoal, then is filtered, remineralized, purified, and reused by the hygiene system.

At the far end of the module is the airlock, with a hatch wider than a docking port, which the cosmonauts use to access the outside of Mir during EVAs. Two Orlan-DMA spacesuits are stored in the airlock for that purpose.

Map of Mir/Kvant-2

Footage: NASA.

Q&A | Tour of Mir | Day in the Life
Next Space Station | Mishaps | Resources
Teacher's Guide | Transcript | Site Map | Terror Home

Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule
About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print
PBS Online | NOVA Online | WGBH

© | Updated November 2000

Support provided by

For new content
visit the redesigned
NOVA site