NASA astronaut Christina Koch is breaking records for women in space.

As of Tuesday, Koch has been living and working on the International Space Station for 292 days ― which means she’s spent more consecutive time in space than any other woman.

The previous record for the longest single spaceflight by a woman was held by former NASA astronaut Peggy Whitson, who spent 288 consecutive days in space. Koch broke that record on Dec. 28, according to NASA.

Koch sent Whitson, the first female commander of the space station, a shout out Monday on Twitter. She called the retired astronaut her “mentor.”

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