The Milky Way

big Universe to The Milky Way The Birth of Modern cosmogeny Cosmology is the study of the structure and evolution of the universe (Bennett, Donahue, Schneider, & Voit, 2010). Edwin Hubble is often credited with the expect of modern cosmology. He discovered that the Andromeda galaxy was in feature a separate galaxy from the Milky Way. By comparing motley photographs taken over several nights and measuring the Cepheids and their luminosities, Hubbles discovery changed the substance we view the universe today. However, this was not the only discovery Hubble made that help in the development of modern cosmology.In 1929, Hubbles research of Andromeda and otherwise galaxies led to a dramatic discover c at a timerning the size of the universe. Based on the distance of a galaxy, Hubble discovered that the redshift was greater. A greater redshift indicates that the object is pathetic away and this led to the discovery that our universe is expanding. The Big Bang hypothesis The Big Ba ng Theory is a theory that states that the universe was once in a hot, dense form of matter and radiation which spread out rapidly. The expansion and cooling of this matter allowed the formation of galaxies, stars, and planets.The National Aeronautics and quad Administration (NASA) launched a satellite known as the Cosmic undercoat Explorer to test the theory of the Big Bang Theory. Astronomers believed that the universe puts take out its own heat and as a result, should be able to provoke a perfect thermal radiation spectrum (Bennett, Donahue, Schneider, & Voit, 2010). The results aided in the back off of the Big Bang Theory. Milky Way Structure 583 References Bennett, J. , Donahue, M. , Schneider, N. , & Voit, M. (2012). The Cosmic attitude (6th ed. ). Retrieved from The University of Phoenix eBook Collection database.