A graduate student is given the assignment to find stars with dusty disks around them. What kind of telescope would it be best for her to use for this purpose?
A) a small telescope that detects visible light
B) a large telescope that detects infrared radiation
C) any telescope that can detect x-rays
D) an orbiting telescope that can detect ultra-violet rays
E) the students should worry; any telescope can easily show such dusty disks
Correct Answer:
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