A) Observations and understanding of the Universe
B) Study of the solar and the luner eclipses
C) Placing satellites in the orbit of the Earth
D) Origin and evolution of living organisms on the Earth
Correct Answer: A
Solution :
Exp. [a] The researchers, from the University of Cambridge and Queen Mary University of London, have successfully simulated a black hole shaped like a very thin ring, which gives rise to a series of 'bulges' connected by strings that become thinner over time. These strings eventually become so thin that they pinch off into a series of miniature black holes, similar to how a thin stream of water from a tap breaks up into droplets. Theoretical physicists have hypothesised that such a thing, called a naked singularity, might exist in higher dimensions. Using the COSMOS supercomputer, the researchers were able to perform a full simulation of Einstein's complete theory in higher dimensions, allowing them to not only confirm that these 'black rings' are unstable, but to also identify their eventual fate.
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