Multiple Choice
In principle, the Drake equation should enable us to calculate the exact number of intelligent civilizations capable of interstellar communication in our galaxy right now. However, currently this is not feasible because
A) we do not have exact numbers for any of the factors in the equation
B) it is impossible for us to ever know the values of any of the factors
C) we have exact numbers for the first three factors, but not the last factor
D) we have an exact number for the first factor, but not for any of the other factors
Correct Answer:
Verified
Correct Answer:
Verified
Q16: Currently in the USA, SETI programs are
Q17: Optical SETI is useful for<br>A) focused communication
Q18: The 1420 MHz (21 cm) radio line
Q19: The main problem with early attempts to
Q20: About 90% of UFO sightings<br>A) are hoaxes<br>B)
Q22: If we were to intercept a signal
Q23: Which of the following factors in the
Q24: What type of civilization would be able
Q25: In the simplified Drake equation, a value
Q26: Which type of electromagnetic radiation is able