Multiple Choice
The GAIA mission obtains astrometric data of stars with accuracy in some cases better than 10 microarcseconds.In terms of angular width,what is this equal to?
A) A human hair viewed from a distance of 20 miles
B) A human hair viewed from a distance of 200 miles
C) A human hair viewed from a distance of 2000 miles
D) A human hair viewed from a distance of 20000 miles
Correct Answer:
Verified
Correct Answer:
Verified
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