Fourier analysis is used
A) in breaking down sound signals to component parts.
B) automatically in human hearing.
C) both of these
D) none of the above
Answer: C
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The interior of Jupiter is mostly liquid helium
a. True b. False Indicate whether the statement is true or false
Applications to Astronomy: The appearance of the great range of brightness among stars is due to
A. only to the differences in the amount of light different stars emit. B. only to the differences in the distances of stars from us. C. both of these differences indicated. D. None of these answers.
If Scorpius is now prominent in the summer sky, in 13,000 years it will be best seen
A) in the autumn. B) in the winter sky. C) at the same season; the heavens do not change. D) in the spring sky. E) It will not be visible then at all. All of its stars will have vanished by then.
There are large amounts of superhot intergalactic matter
Indicate whether the statement is true or false