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UPSC Prelims GS - 2020
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Section-1
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Question 3
MEDIUM
Correct: +2
Incorrect: -2
The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometers long, with lasers shining between the craft." The experiment in question refers to
a
Voyager-2
b
New Horizons
c
LISA Pathfinder
d
Evolved LISA