BAIKONUR COSMODROME, March 23 The head of Roscosmos, Yuri Borisov, compared the malfunction due to which the launch of the spacecraft was canceled «Soyuz MS-25» on March 21, with the car's battery «boiling.»
““For the average person, it will be clear: everyone has probably encountered when a car’s battery boils. This is something like that. Due to the incorrect operation of the thermostat relay, this annoying error occurred,” Borisov told reporters.
According to him , the launch was canceled 20 seconds before launch.
«The correction occurred as usual. All electrical circuits that were involved in the operation of the chemical current source were checked. We were absolutely sure that the launch vehicle was in good working order,» — added the head of the state corporation.
He noted that the crew was in «normal condition.» “Our cosmonauts are stress-resistant,” said Borisov.
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The rocket with the Soyuz MS-25 spacecraft took off at 15:36 Moscow time from the 31st launch pad of the Baikonur Cosmodrome. The crew of the Soyuz MS-25 included Russian Oleg Novitsky, Belarusian Marina Vasilevskaya and American Tracy Dyson. Vasilevskaya became the first woman in the history of Belarus to be in space.
Initially, the launch of the spacecraft was planned for 16.21 Moscow time on March 21 from Baikonur. The automation canceled the flight right before takeoff, when the crew was already in the ship. The cause was a voltage drop in the chemical current source. The start was postponed to Saturday.