Dr. Kathy Sullivan High Above and Far Below
Mar 01, 2022
2 minutes
by Gail Skroback Hennessey
. Kathy Sullivan is the only person on the planet to do both a spacewalk and travel to the deepest trench on Earth. In 1984, Sullivan was the first American woman to do a spacewalk (for 3.5 hours). In 2020, Sullivan became only the eighth person to travel down into the Challenger Deep in the Mariana Trench in the Pacific
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