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THE EVOLUTION OFGALAXIESPHYS 345.01MÜŞERREF KILIÇ
This paper is about the evolution of galaxies which is central to field of astronomy that branchof physics. Physics describes how matter, energy, space, and time behave and interact withone another. The interaction of these characters in our cosmic life underlies all biological andchemical phenomena. Hence, everything fundamental and familiar earthlings begin with thelaws of physics. When we apply these laws to astronomical settings, we deal with physics,which we call astrophysics. In this paper, I try to explain the beginning of the life in terms ofastronomical aspect which means the formation of the galaxy that is cause of the formation ofthe universe. It is accepted that galaxies are composed of stars. It is well known that theformation of stars is crucial for the evolution of galaxies which is the main constituent in theuniverse and their properties provide important information about the origin and evolution ofthe universe.The broadly accepted theory for the origin and evolution of our universe is theBig Bang model, which states that the universe began as an incredibly hot, dense point2
roughly 13.7 billion years ago.“In the 1920s, astronomer Edwin Hubble made a revolutionary discovery about the universe.Using a newly constructed telescope at the Mount Wilson Observatory in Los Angeles,3
Hubble observed that the universe is not static, but rather is expanding.Decades later, in1998, the prolific space telescope named after the famous astronomer, the Hubble SpaceTelescope, studied very distant supernovas and found that, a long time ago, the universe wasexpanding more slowly than it is today.The Large Space Telescope was renamed the HubbleSpace Telescope (HST) in honor ofEdwin Hubble, an American astronomer who, amongother things, determined that the universe extended beyond the borders of Milky Way. Sinceits launch in 1990, the Hubble Space Telescope (HST) has provided a dazzling array ofimages that have awed and inspired the public. More than just pretty pictures, the more than45 terabytes ofdatacollected has provided insight into the universe, from objects as closeasthe moonto the most remote galaxies, with incredible photos of supernovas and nebulas inbetween. Below we explore the history of the telescope and its discoveries, plus Hubble factsand links to some of the orbiting observatory’s best pictures. First, we take a look at an iconicphoto (pic.1)”.(Toylar Redd).Hubble Space Telescope (HST)(pic.1)This 1995 Hubble Space Telescope image of the 'Pillars ofCreation' is probably the most famous astronomical image.First of all, we know that it is not possible to observe the other galaxies in today's technology,therefore, astronomers and scientists are able to explain the other galaxies thanks to notion ofexpanding of universe. In addition, we just try to understand our galaxy, which name is Milky4
Way, to comprehend the other galaxies of evolution and the universe. Most of the detailed

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