The enterprising alien who wants to visit Earth faces a number of daunting challenges. This program examines the advanced technologies he would need with an emphasis on concepts for interstellar travel humans are exploring.
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Erik Thompson
Himself
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William Alschuler
Himself
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Kevin R. Grazier
Himself
Seth Shostak
Himself
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Lucianne Walkowicz
Herself
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Clifford V. Johnson
Himself
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Richard Obousy
Himself
Andrew Ng
Himself
Alex Filippenko
Himself
