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Oceanographer Dawn Wright made history in 2022 when she became the first Black person to visit Challenger Deep, the deepest and most unexplored place on Earth—a trip that took her over 10,000 meters beneath the Pacific Ocean’s surface. We know less about the ocean floor than we do about the surface of the moon. To date, barely one-fifth of the seabed has been mapped in high resolution. As an ocean scientist and explorer, Dawn has made it her mission to change that.

In Handprints on Hubble, retired astronaut Kathryn Sullivan describes her work on the NASA team that made all of this possible. Sullivan, the first American woman to walk in space, recounts how she and other astronauts, engineers, and scientists launched, rescued, repaired, and maintained Hubble, the most productive observatory ever built.

What is it like to walk in space—to use cutting-edge equipment and conduct experiments in a 280-pound space suit? How do you get there in the first place? Would-be spacewalkers will find enthusiasm, vibrant encouragement, and a host of amazing facts and descriptions in this engaging guide cowritten by three-time shuttle astronaut Kathryn D. Sullivan and children’s book author Michael J. Rosen.

For travelers of all ages seeking inspiration and encouragement to take off on a solo adventure, whether around the world or within your hometown. Host Kathryn Sullivan celebrates women who have conquered their fears to experience the world on their terms. Each woman shares her unique story about what first prompted her to travel alone and how the confidence, perspective and inner connection found along her heart-led journey changed her life for the better.