Multiple Choice
Fill in the blanks to produce a correct statement: The above computer model shows concentric circles, otherwise known as ________________, from ________ star(s) . 
A) blurring, two
B) chromatic aberration, two
C) bad seeing, a single
D) diffraction fringes, a single
Correct Answer:
Verified
Correct Answer:
Verified
Q89: Photographic plates are commonly used by astronomers
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Q93: The highest frequency and highest energy band
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Q97: A(n) _ is used to measure the
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