General Knowledge · Space Exploration History
Consider the following statements regarding historical attempts to communicate with extraterrestrial life: A. Gauss's diagram and similar 19th-century ideas proposed using visible signals to communicate with extraterrestrials. B. The Prix Pierre Guzman excluded Mars because contacting Martians was considered the most challenging task. C. The early 20th century saw radio waves become a more realistic medium for attempting contact with aliens. Which of the following is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Only A and B are correct
- 2Only A and C are correct✓
- 3Only B and C are correct
- 4All A, B, and C are correct
Correct answer
Only A and C are correct
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