character: Carl Sagan
topic: SETI and the Search for Extraterrestrial Life
grade: 11
subject: Physics
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character: Frank Drake
topic: Drake Equation and SETI
grade: 11
subject: Physics
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character: SETI Institute
topic: Research and Expeditions in SETI
grade: 11
subject: Physics
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character: Jill Tarter
topic: Advocacy and Outreach in SETI
grade: 11
subject: Physics
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