Gravity Assist

By National Aeronautics and Space Administration (NASA)

What's Gravity Assist about?

Dr. Jim Green, NASA's director of planetary science, takes you on a guided tour of the solar system and beyond.

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Gravity Assist: Goodbye Sat...


Janelle Wellons likes to say that she operates “fancy space cameras.” At NASA’s Jet Propulsion Laboratory, she creates commands that allow spacecraft to take valuable scientific data in our solar system and here at planet Earth.

Gravity Assist episodes: