If the history of the entire universe was condensed into a single year, with each month representative of one and a quarter billion years long (each day represents forty million years, whilst each second stands for some five hundred years or so):

  • The CMBR forms on January 1st at 2:30 a.m.
  • The recombination era begins on January 4th
  • The Milky Way forms on February 22nd
  • The first stars and galaxies form on March  15th
  • The sun forms on September 8th
  • Earth forms on September 11th (The moon forms shortly afterward)
  • Following the formation of Earth, the heavy late bombardment period commences on September 11th at 2:30 a.m.
  • Dinosaurs would have died from a comet or meteorite impact on December 30
  • The earliest humans (hominids) would have appeared on December 31 at 11:39 pm
  • The first civilization would have appeared on December 31 at 11:59:30 p.m.

 

For all of the details from the first lifeforms on Earth, until now - click here.


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