PPT Slide
The Big Bang theory has the Universe beginning in a huge explosion 10-15ish billion years ago. The initial Universe was very hot, and once the expansion of the Universe was shown, theoreticians calculated that it must now be at a temperature of K….
The general nature of the Big Bang as dramatically proven by the detection of the predicted background radiation in the 1960s.
The Big Bang is the most widely accepted theory of the origin of the Universe