General Knowledge · Space Exploration History
Based on the history of space exploration, what can be inferred about the evolution of attempts to contact extraterrestrial life?
- 1Only private individuals, not governments, have made attempts to contact extraterrestrials.
- 2There has been little scientific or public interest in extraterrestrial communication.
- 3All early attempts at signalling were successful.
- 4Methods have shifted from visible signals to advanced radio and physical messages as technology developed.✓
Correct answer
Methods have shifted from visible signals to advanced radio and physical messages as technology developed.
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