Spacecraft Progress M-20M submerged in Pacific Ocean
11 February 2014, 20:52
A supply spacecraft Progress M-20M that was undocked from the International Space Station (ISS) on February 3 and then sent to a solo flight for an experiment, was finally submerged in the waters of the Pacific ocean, said a representative of RKA Mission Control Center.
'An operation of Progress M-20M utilization has finished. The spacecraft was destroyed during the reentry and residual parts sank in the waters of the Pacific Ocean,' said the representative.
Progress M-20M has been docked with ISS since June 28, 2013. It was undocked on February 3, 2014 to take part in a scientific program 'Izgib'.
As it's described in the description of the experiment, 'during the flights to ISS, micro-accelerations may occur; the rate of the latter can exceed legitimate values for many experiments with gravity sensible environment. That's why there should be a special control upon these rates. We also should elaborate mathematical models that will help us to define current rates of micro-accelerations and foresee micro-gravity rate on the board of ISS in a particular period of time.'
'Izgib' experiment was launched during the ISS-1 expedition and has been continuing till today. During this period (from ISS-1 to ISS-26) there has been 546 hours of communication and some three gigabytes of information have been received. It has been proved that convection appears because of micro-accelerations that affect ISS as well as because of accelerations that appear when ISS orbit rises and Progress M-20M, and Soyuz spacecrafts dock to the ISS.
Voice of Russia, TASS
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