The expanding universe theory is that the universe has been slowly expanding since it began with the Big Bang. According to this theory, all the galaxies that make up the universe are slowly moving away from each other, and they seem to be moving at an accelerated rate. Scientists have been aware that the universe has been expanding for several decades, and they were able to determine that the expansion is accelerating by observing the light of distant galaxies in relation to the light generated by supernovae.
The Fate of the Universe
Even though there is much that scientists have been able to observe, they do not know what the expanding universe theory means for the ultimate fate of the universe. There are some theories, however. It is possible that the universe will continue to expand for eternity and become infinitely large, but most scientists believe that the universe as … Read More