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9. Suppose there are 10,000 civilizations broadcasting radio signals in the Milky Way galaxy right now (exoplanet TV stars). On average, how many stars would

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9. Suppose there are 10,000 civilizations broadcasting radio signals in the Milky Way galaxy right now (exoplanet TV stars). On average, how many stars would we have to search before we would expect to hear a signal or picture from an extraterrestrial Kardashian? Assume there are 300 billion stars in the galaxy

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