Hubble’s Law For thousands of years, astronomers wrestled with basic questions concerning the universe. Until the early 1920’s, it was believed that the universe had always been in existence; also, that the size of the universe was fixed and not changing. However, in 1912, the American astronomer, Vesto Slipher, made a discovery that would soon change astronomers’ beliefs about the universe. Slipher, noticed that the galaxies were moving away from earth at huge velocities. These observations provided the first evidence supporting the expanding-universe theory. [1] Before the invention of the telescope in 1608, man could do little more than wonder about the origin of the universe. (Courtesy: NASA) In 1916, Albert Einstein formulated his General Theory of Relativity that indicated that the universe must be either expanding or contracting. Confirmation of the expanding-universe theory finally came in 1929 in the hands of the well known American ...
Salam ( Greeting of peace ): Welcome Please feel free to communicate with us and share your thoughts…. We will be posting your contributions to this site seeking those things that in a similar fashion keep us united and together in the pursuance of a better world. Blessings…