Ocean Exploration

Science • Space
Kathy Sullivan: First American woman who walked in space successfully dove to lowest point on earth
Dr. Kathy Sullivan, former astronaut and Acting Administrator of the National Oceanic and Atmospheric Administration, at a panel discussion in 2013
Dr. Kathy Sullivan, former astronaut and Acting Administrator of the National Oceanic and Atmospheric Administration, at a panel discussion in 2013 Credit: ENERGY.GOV / Public domain

Kathy Sullivan, age 68, a former NASA astronaut on multiple missions with the Space Shuttle and the first American woman to walk in space has successfully completed a mission to the lowest point on earth. By doing that she has become the first woman to reach the lowest point on earth, Challenger Deep inside the Mariana Trench around 10,9km below the surface. Sullivan is also the only person in the world to walk in space and reach the lowest point on earth.