Kvant 2

Soviet space module

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In Mir
…1 (1987), an astrophysics observatory; Kvant 2 (1989), containing supplementary life-support equipment and a large airlock; Kristall (1990), a materials-sciences laboratory; and Spektr (1995) and Priroda (1996), two science modules containing remote-sensing instruments for ecological and environmental studies of Earth. With the exception of its first occupants, Mir’s cosmonaut crews…
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In space station: Mir
The second add-on, Kvant 2, carried additional life-support systems and a large air lock. It was first docked axially at the front of the station and then swung around to a perpendicular position by a mechanical arm, an adjustment that made the station L-shaped. Docking of the third…
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