The terms ‘Event Horizon’, ‘Singularity’, ‘String Theory’ and ‘Standard Model’ are sometimes seen in the news in the context of
Observation and understanding of the Universe
Study of the solar and the lunar eclipses
Placing satellites in the orbit of the Earth
Origin and evolution of living organisms on the Earth
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC IAS – 2017