Cosmos: A Personal Voyage (Documentary; 1980) Creator, Presenter: Carl Sagan It all probably started over 13 billion years ago. A mammoth explosion which sent energy expanding across the universe gave light and mass. This expansion of space after the blast, by all accounts, is likely to be still ongoing as seen by the Doppler effect visible in the telescopic visualisation of distant stars. In cosmic terms, time probably started at that juncture. Then there was nothing for a very long time. Slowly with the cooling of the system, galaxies and stars came around. The earlier stars had short shelf lives. Their burning out of hydrogen fuels gave rise to other heavier atoms and supernovas that became the seed of our existence. With carbon and oxygen came the blueprint of existence, water. By trial, chance and selection, the seed of life began. Slowly unicellular, then multicellular and complex creatures formed. DNA was found by Nature for continuity of life. With time a primitive reptili...
It is all Mimesis