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WHEN IT COMES TO
UNIVERSE, WE SERIOUSLY DON’T KNOW MUCH ABOUT IT (THOUGH WE HAVE SOME IDEAS).LET’S
TAKE A LOOK AT THE COMPOSITION OF THE UNIVERSE ~ 68 %=DARK ENERGY ,~27% DARK MATTER AND ROUGHLY 5%
NORMAL(BARYONIC) MATTER.
LET’S TALK ABOUT DARK
MATTER FIRST. THE EFFECT OF DARK MATTER WAS FIRST
NOTICED IN 1933 WHEN FRITZ ZWICKY NOTICED THAT THE GALAXIES IN THE COMA CLUSTER
WERE MOVING WAY TOO FAST TO BE GRAVITATIONALLY BOUND...
