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Showing posts with the label Doppler Effect

God and the beginning of the universe

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English: Albert Einstein Français : Portrait d'Albert Einstein (Photo credit: Wikipedia ) Hubble came into astronomy in the 1920’s at a very propitious time. It was at just the time that astronomers were gaining access to these large dome telescopes that were able to resolve very tiny pinpoints of light in the night sky. Prior to Hubble and the scientists who were looking into the night sky in the 1920’s, there was debate among astronomers as to whether or not the Milky Way galaxy , in which our solar system resides, was the only galaxy, or whether there might be others beyond it. Hubble resolved that issue as he also resolved these points of light, because as he looked through this great dome telescope at the Palomar Observatory , he was able to determine that little points of light that had been viewed through ordinary telescopes before, and just looked like little points, actually revealed galaxies—whole galaxies with hundreds and millions of stars. The picture behind us is