
Only 0.16 Cosmic Second… yet very Crucial!
Carl Sagan, an American astronomer, astrophysicist and astro-biologist, compares the whole process of evolution since the time of Big Bang, about 13 billion years, to a calendar year. Accordingly, a ‘cosmic’ month is equal to about one billion years; a ‘cosmic’ day is about 40 million years; a ‘cosmic’ second is about 500 years and […]