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In the USA, they told about the failure of the Russian Perseus engine

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NASASpaceFlight.com: the Russian upper stage "Perseus" did not turn on the engine

The third launch of the Russian heavy Angara-A5 rocket with a Perseus upper stage and a 2.4-ton payload mock-up did not pass completely normally, the American portal reports NASASpaceFlight.com .

The American edition writes that during the launch of the payload layout into geotransfer orbit, the Perseus engine failed, which could not be turned on a second time.

As astronomer Jonathan McDowell writes on Twitter, three objects associated with the launch of Angara-A5 are fixed in near-Earth orbit. "Everything in orbit is about 175 by 200 kilometers, presumably debris, it is unclear whether they are related to an unsuccessful restart of the engine," said a scientist from Harvard University in the United States.

As Dmitry Rogozin, CEO of Roscosmos, noted on Twitter, the launch of the Angara-A5 rocket from Plesetsk was successful.

According to Roscosmos, during the third launch of Angara-A5, it was planned to put a mock-up of the payload into geostationary orbit.

Earlier, Angara-A5 was launched twice — in December 2014 and 2020.

The developer of Angara-A5 is the Khrunichev Center, the Perseus upper stage is the Rocket and Space Corporation (RSC) Energia.

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