Kathryn Sullivan: Spacewalker and Earth Explorer

Kathryn Sullivan: Spacewalker and Earth Explorer

Reference Article: Brief biography of Kathryn Sullivan.

Few know the globe's nooks and crannies more intimately than Kathryn Sullivan — intrepid explorer of the sky and the sea. As an astronaut, she stepped out of the space shuttle's airlock to become the first American woman to float freely through space. She was… [+9934 chars]

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