If we imagine the history of the universe compressed into one year, with the present as the stroke of midnight at the very end of that year, dinosaurs became extinct _________.

A. about 6 months ago
B. yesterday morning
C. about 3 weeks ago
D. about an hour ago

Cosmic calendar is a scale in which the 13.7 billion year life span of our universe is mapped into a single year. IN this mapping big bang took place on 1st January 12 AM while the present moment is at 12 P.M. on December 31st

30 December: 0.065 billion years ago: Dinosaur Extinction The case of Cretaceous extinction when a meteorite hit Earth and almost any form of life became decimated.

If we imagine the history of the universe compressed into one year, with the present as the stroke of midnight at the very end of that year, dinosaurs became extinct _________. A. about 6 months ago B. yesterday morning C. about 3 weeks ago D. about an hour ago

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If we imagine the history of the universe compressed into one year, with the present as the stroke of midnight at the very end of that year, dinosaurs became extinct _________.

A. about 6 months ago
B. yesterday morning
C. about 3 weeks ago
D. about an hour ago