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Questions and Answers
When did the idea of aliens and other inhabited worlds start to be debated among philosophers, scientists, and theologians?
When did the idea of aliens and other inhabited worlds start to be debated among philosophers, scientists, and theologians?
What significant change occurred in the 19th century regarding reports of sightings in the sky?
What significant change occurred in the 19th century regarding reports of sightings in the sky?
How did people describe the flying objects they saw in the 19th century?
How did people describe the flying objects they saw in the 19th century?
When did people first begin to speak regularly of seeing flying objects attributed to extraterrestrials?
When did people first begin to speak regularly of seeing flying objects attributed to extraterrestrials?
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What is a key difference between earlier sightings in the 19th century and those starting in 1947?
What is a key difference between earlier sightings in the 19th century and those starting in 1947?
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