Astronaut Christina Koch returning back to Earth after record-setting mission

SCI-TECH

Astronaut Christina Koch returning back to Earth after record-setting mission

Madeline Holcombe and Lauren Landrum CNN
Published Wednesday, February 5, 2020 5:58AM EST

In this Thursday, March 14, 2019 file photo, U.S. astronaut Christina Koch, member of the main crew of the expedition to the International Space Station (ISS), speaks with her relatives through a safety glass prior the launch of Soyuz MS-12 space ship at the Russian leased Baikonur cosmodrome, Kazakhstan. (AP Photo/Dmitri Lovetsky, Pool)

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NASA Astronaut Christina Koch is returning to Earth after .

Koch on March 14 for her spaceflight mission. She is scheduled to return Thursday after 329 days, breaking record of 288 consecutive days in space.

Koch's is the second-longest single spaceflight by any US astronaut, NASA said in a release.

The hatch on the Soyuz MS-13 spacecraft closed Wednesday night as Koch prepared to return.

At 12:50 a.m. ET, the capsule, which will also carry Koch's fellow International Space Station expedition members, will undock. Around 3:18 a.m. ET, the aircraft will begin its deorbit burn. It is scheduled to land near Dzhezkazgan, Kazakhstan, at 4:12 a.m. ET.

In her historic trip to the station, Koch has orbited the Earth 5,248 times, conducted six space walks and spent a total of 42 hours and 15 minutes outside the station, the release said.

The mission will help NASA get ready to go to Mars.

"Koch's extended mission will provide researchers the opportunity to observe effects of long-duration spaceflight on a woman as the agency plans to return to the Moon under the Artemis program and prepare for human exploration of Mars," the release said.

This isn't the first time Koch has been a record breaker. In October, Koch and astronaut Jessica Meir conducted outside of the ISS. The spacewalk lasted for seven hours and 17 minutes, and the astronauts received as they completed the mission.

Koch said she hopes the record for longest spaceflight by a female astronaut will be exceeded again as soon as possible again, because it means "we're continuing to push those boundaries."

Speaking to CNN, Koch also offered a piece of advice to young girls who are pursuing their dreams.

"Do what scares you. Everyone should think about what intrigues them and what draws them in.

"Those things can kind of be scary a little bit, but they usually mean that you're interested. And if it's just outside what you think is attainable for you and you reach it, it really pays off dividends in more ways than one. It can be rewarding for you personally, and it usually means that you're giving something back to the world in the maximum way possible."