UPSC Civil Services 2019 Prelims General Studies Paper I

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Question : 97 of 100

Marks: +1, -0

Recently, scientists observed the merger of giant 'blackholes' billions of light-years away from the earth. What is the significance of this observation?

'Higgs boson particles' were detected.
'Gravitational waves' were detected.
Possibility of inter-galactic space travel through 'wormhole' was confirmed.
It enabled the scientists to understand to 'singularity'.

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