An interstellar dust cloud may be very cold. What kind of telescope would we use to observe it at its strongest wavelength?
A) a ground-based infrared telescope
B) a ground-based X-ray telescope
C) a space-based ultraviolet telescope
D) a ground-based visible-light telescope
E) None of these choices are correct.

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The Answer of An interstellar dust cloud may be very cold. What kind of telescope would we use to observe it at its strongest wavelength?
A) a ground-based infrared telescope
B) a ground-based X-ray telescope
C) a space-based ultraviolet telescope
D) a ground-based visible-light telescope
E) None of these choices are correct.

An Interstellar Dust Cloud May Be Very Cold