Galaxy Essay Topics

Dark Energy, Dark Matter

In the early 1990’s, one thing was fairly certain about the expansion of the Universe. It might have enough energy density to stop its expansion and recollapse, it might have so little energy density that it would never stop expanding, but gravity was certain to slow the expansion as time went on. Granted, the slowing… View Article

The Origin of the Universe

INTRODUCTIon The evolution of theories about the origin of the universe has surely proceeded at a rapid pace upon entering the 20th Century. New telescopic devices permitting people to see parts of the universe never before imagined, in new ways never before conceived, have advanced man’s theoretical capabilites on explaining the origin of the universe,… View Article