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 solar array, attached its electrical connections to the Mir power system, and extended it to its full 10.6-m length. The new, 22-24 m3 array brought Mir’s total capacity to 11.4 kW. The EVA lasted 3 hr, 15 min.

Kvant begins its astronomical work with a bang. The Roentgen Observatory on Kvant was uniquely placed to study Supernova 1987a in the Large Magellanic Cloud. The cosmonauts examined the exploding star during 115 sessions between June and September.
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2.9.3.3 Mir Principal Expedition 2 (b)
Yuri Romanenko, Alexandr Alexandrov Crew code name–Tamyr Soyuz-TM 3, July 22-December 29, 1987 160 days in space Romanenko remained on Mir after Laveikin’s departure in Soyuz-TM 2. Laveikin replaced by Alexandrov from Soyuz-TM 3. Romanenko’s total stay time on long-duration expeditions Mir-2 (a) and Mir-2 (b) was 336 days.