Origin of the Universe - The Big Bang Theory An astonishing observation was made in the late 1920's. The light from distant galaxies is shifted to lower frequencies (red shift) similiar to the way the sound of a horn on a passing train or car shifts to a lower pitch. The light frequency shift can be explained in the same way; the distant galaxies are moving away from us. In fact, all of the galaxies (clusters of billions of stars) are moving away from our own Milky Way Galaxy and from one another, and the farther away they are the faster they are moving away from us. This is exactly like a gigantic explosion. All of the bits move outward away from the center of the explosion. In the standard theory, space and time and all the matter and energy in the universe were formed in the Big Bang some 10 to 15 billion years ago. The conditions in the rapidly expanding and cooling universe following the Big Bang were such that only simple matter was formed. The universe was filled...