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Figure 1
(a) The automatic space vehicle Foton for technological experiments in a microgravity environment. Outer diameter 2.5 m, mass 6200 kg, active lifetime 18 d, maximum distance from Earth surface (apogee) 400 km, minimum distance from Earth surface (perigee) 200 km, initial orbital period 90.5 min. The level of residual low-frequency microaccelerations (within the frequency range 0.001–0.1 Hz) is 1–7 × 10–6 g0. (b) The multizone electrovacuum furnace Polizon for technological experiments on crystal growth in space.

IUCrJ
Volume 3| Part 3| May 2016| Pages 200-210
ISSN: 2052-2525
doi:10.1107/S2052252516003730