MOSCOW—A coolant leak from a Russian space capsule attached to the International Space Station could have been caused by a micrometeorite, a Russian space official said Thursday.
Russia’s space corporation Roscosmos and NASA both said that the incident hasn’t posed any danger to the station’s crew. However, the leak prompted a pair of Russian cosmonauts to abort a planned spacewalk earlier in the day.
Sergei Krikalev, a veteran cosmonaut who serves as the director of crewed space flight programs at Roscosmos, said a meteorite striking one of external radiators of the Soyuz MS-22 capsule could have caused the coolant to escape….