1.

The term 'Event Horizon', 'Singularity', 'String Theory' and 'Standard Model' are sometimes seen in the new in the context of

A. Observation and understanding of the Universe
B. Study of the solar and the lunar eclipses
C. Placing satellites in the orbit of the Earth
D. Origin and evolution of living organisms on the Earth
Answer» B. Study of the solar and the lunar eclipses


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