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UPSC Prelims GS - 2019
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Question 47
MEDIUM
Correct: +2
Incorrect: -2
Recently, scientists observed the merger of giant ‘blackholes’ billions of light years away from the Earth. What is the significance of this observation?
a
‘Higgs boson particles’ were detected.
b
‘Gravitational waves’ were detected
c
Possibility of inter-galactic space travel through ‘wormhole’ was confirmed.
d
It enabled the scientists to understand ‘singularity’.
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