Optical SETI is useful for
A) focused communication over short distances and in particular directions
B) communication over wide areas and large distances
C) communication over large distances in directions where interstellar dust is not present
D) communication with civilizations which surround similar stars to our Sun and hence have evolved to see visible radiation
Correct Answer:
Verified
Q58: If we were to detect radio and
Q59: The most likely method of interstellar communication
Q60: The 1420 MHz (21 cm) radio line
Q61: What kind of civilization can life on
Q62: The Declaration of Principles Concerning Activities Following
Q64: One of the most likely places an
Q65: What type of civilization would be able
Q66: Any reply to a detected SETI signal
Q67: About 90% of UFO sightings
A) are hoaxes
B)
Q68: A Lagrange point in the Earth-Moon system
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