High and Low

First woman to walk in space travels to the ocean’s deepest point. Yes, Katy Sullivan, the first woman to walk in space travels to Challenger Point, the ocean’s deepest depth.

Kathy Sullivan, 68, an astronaut and oceanographer, is the first person to both walk in space and to descend to the deepest point in the ocean.

With her diving partner, they were even able to coordinate a call with the International Space Station. Dr. Sullivan and Victor L. Vescovo, an explorer funding the mission, spent about an hour and a half at their destination, nearly seven miles down in a muddy depression in the Mariana Trench, which is about 200 miles southwest of Guam.

Sullivan become an astronaut in 1979, made history in 1984 as the first US woman to walk in space.