General Knowledge · Space Exploration History
What conclusion can be drawn about humanity's historical efforts to communicate with extraterrestrials?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only the United States has made significant attempts at extraterrestrial communication.
- 2There have been no attempts to contact extraterrestrials since the 19th century.
- 3Interest and investment in contacting extraterrestrials increased as technology improved.✓
- 4Modern efforts rely solely on visible light-based methods.
Correct answer
Interest and investment in contacting extraterrestrials increased as technology improved.
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