OUR UNIVERSE, B.E. (Before Earth)to A D


*Click on timeline above to navigate                                           * Note: All dates are approximate

OUR UNIVERSE,  B.E.  (Before Earth)


14
billion years ago








The Big Bang (Formation of Universe)
bulletSpace and time generated in cataclysmic event.
bulletAll matter and energy of the universe created in this moment.
bulletYour hydrogen (H) atoms were formed in the first second of our universe!!
Click here to learn more about the early moments of our universe 
NOTE: H and He atoms still comprise 98% of matter in the universe today
bullet Click here to learn more about the "Big Bang".
WHY do Scientists think the universe began with a "BANG"?

bulletFirst Stars and Galaxies form about 300 million years after the Big Bang.

 
10
billion years ago






Synthesis of elements #6 through #92
     
(Carbon  à  Uranium)
bulletLong ago, in the center of  RED GIANT star, simple nuclei fused together to form the lighter elements (stellar nucleosynthesis)
bulletThus carbon (C), nitrogen (N), oxygen (O) and were all created inside a star which existed billions of years ago!

bulletThe star eventually went SUPERNOVA!!!
(Creating even heavier atoms such as gold (Au) and  iron (Fe)
bulletStardust (atoms) spread  throughout the galaxy; some drifted around here, and eventually became incorporated into new stars & planets 

 

4.6
billion years ago

Formation of our solar system
        
(sun, Earth)
  

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