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Detailed explanation-1: -NASA reached a milestone on Friday when two Americans, tasked with replacing a power controller, ventured out of the International Space Station: the astronauts, Christina Koch and Jessica Meir, became the first to take part in an all-female spacewalk.

Detailed explanation-2: -First female spacewalker: Svetlana Savitskaya She launched on a Soyuz T-7 spacecraft on Aug. 19 , 1982 and spent returned to Earth eight days later. But it was during Savitskaya’s second trip to Salyut 7 in 1984 that she made history as the first woman to walk in space.

Detailed explanation-3: -Since cosmonaut Svetlana Savitskaya became the first woman to do a spacewalk in 1984, women have participated in 42 spacewalks. Of the 15 women who have done spacewalks, 14 have been NASA astronauts.

Detailed explanation-4: -WELCOME TO SPACE TO GROUND, I’M LEAH CHESHIER. HISTORY WAS MADE THIS WEEK AS NASA ASTRONAUTS CHRISTINA KOCH AND JESSICA MEIR ACCOMPLISHED THE FIRST EVER ALL-FEMALE SPACEWALK. THROUGHOUT SPACEFLIGHT HISTORY, 14 WOMEN HAVE COMPLETED SPACEWALKS.

Detailed explanation-5: -The correct answer is Christina Koch. The longest-ever single spaceflight by a woman was accomplished by NASA astronaut Christina Koch. At about 09:12 GMT, the Russian Soyuz spacecraft carrying Koch parachuted down to the grasslands of Kazakhstan.