Orbital mechanics, not sexism, likely cause of Peggy Whitson missing record
Peggy Whitson is NASA's most experienced female astronaut. Here, at the Kremlin Wall in Moscow’s Red Square, she lays flowers at the marker for legendary engineer Sergei Korolev. NASA Whitson first flew as a flight engineer in 2002, during Expedition Five to the International Space Station. NASA The Expedition Five crewmembers pose for a photo in the...