NASA Ames Research Director’s Colloquium, August 12, 2014. Human space exploration is currently still in Low Earth Orbit. But what would it eventually take for humans to explore the outer solar system? If the ultimate objective is the stars, then what might that look like? How hard is interstellar flight?

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Dr. Harold White, Advanced Propulsion Theme Lead for the NASA Engineering Directorate, discusses a couple of advanced propulsion concepts that may one day be useful for helping us reach the stars.

The NASA Ames Director’s Colloquium Summer Series was presented by the Office of the Chief Scientist as part of the Center’s 75th-anniversary celebration.