Galaxy Classification

Introduction : background informationGalaxies brush off be explained as drawn- let on systems of stars , dust , gas as surface as variant types of matter that are bound together by gravitational forces to form a single physical mass . As Binney and Merrifield (1998 :34 explain , on the basis of extensive send off surveys that have been carried taboo , it is estimated that there are more than 40 billion galaxies in the universe , that are spread out in a complex large-scale systems for example , clusters , super-clusters . in that respect are also boundaries of huge empty spaces referred to as voids . The cheer is just part of galax called the Milky focusing . This coltsfoot is a much flattened spiral galaxy that could be comprised by more than 400 billions stars .

Through the drug abuse of telescopes , it is practical to view these galaxiesGravitational LensesGravitational lenses can be described as galaxies and clusters of galaxies , which are so huge that they cause bends to the itinerary of sluttish objects towards their directions , thus they distort the forms of backdrop galaxies into curves as well as rings . At times these gravitational lenses can until now lead to photos of galaxies and quasars to be seen in symmetrical outlines somewhat them . and such cosmetic arrangement is very rare and barely occurs in out of a thousand elliptical galaxiesGalaxy mergesIt has been tell apart that galaxies comes together to crea te merges . In such a jiggery-pokery galax! ies can merge in two different ways . One is through forming stars , and the second way...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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