<p>Jenn wraps up Science Gal Month talking about Marie Tharp who was the first to map the Atlantic Ocean floor! Over time her work showed the existence of mountain ranges that extended over 40,000 miles around the globe. </p>

Jenn wraps up Science Gal Month talking about Marie Tharp who was the first to map the Atlantic Ocean floor! Over time her work showed the existence of mountain ranges that extended over 40,000 miles around the globe.

<p>Jenn wraps up Science Gal Month talking about Marie Tharp who was the first to map the Atlantic Ocean floor! Over time her work showed the existence of mountain ranges that extended over 40,000 miles around the globe.&nbsp;</p>

Marie Tharp - Jenn’s 1 Cool Science Gal

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Marie Tharp - Jenn’s 1 Cool Science Gal

Marie Tharp - Jenn’s 1 Cool Science Gal