Who has not felt a sense of awe while looking deep into the skies lit with countless stars on a clear night? Who has failed to wonder whether there is an intelligence behind the cosmos? Who has not asked themselves if ours is the only planet to support living creatures? To me, these are natural curiosities in the human mind. Throughout the history of human civilization, there has been a real impulse to find answers to these questions. One of the great achievements of modern science is that it seems to have brought us closer than ever to an understanding of the conditions and complicated processes underlying the origins of our cosmos.
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