Spacewalking is a risk-taking event for astronauts, and even wearing spacesuits, a zero-gravity vacuum still exposes astronauts to higher blood pressure. Chris Cassidy and Robert Behnken were on a partner’s walk in an accident during a field mission today when they accidentally lost a small mirror.
Because of the helmet’s poor field of view, astronauts need small mirrors to view hard-to-observe perspectives. However, CNN reported that the utility gadget, worn on Cassidy’s left wrist, began to loosen shortly after the hatch opened.
Fortunately, the accident did not have much impact on the mission. The pair will replace aging nimh batteries with new high-capacity lithium-ion batteries through a series of spacewalks.
As for the escaped little mirror, the ultimate fate of it may have disappeared when it fell into the Earth’s atmosphere.