پاورپوینت با موضوع کهکشان به زبان انگلیسی

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in the name of god 

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; \Pro TD 9 2 A © ‏طون‎ schol: Shahid Soltani 3 iy, Class: Experimental 10/1 ۰ OS 

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English eee Teacher: Sir Deldar — = 

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44 Galaxies 1 9 

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a] - Galaxies @ galaxy, the Milky Way, is typical it has hundreds of billions of stars, enough gas and dust to make billions more 51815, Ripe ey ee ee er Cee Macys ier Ree ler ga هو * Like more than two-thirds of the known galaxies, the Milky Way has a spiral shape. At the center of the spiral, a lot of ۱ ace ne Oe ‏ی ی ی‎ (ela ee 000 1 9 oR een ea eR Lea Field (HUDF) shows this diversity. Hubble observed a tiny patch of sky (one-tenth-the diameter of the moon) for million seconds (11.6 days) and found approximately 10,000 galaxies, of all sizes, shapes, and colors. From the Pita SRW At eR ees se epee ecco he 5 7 + : 

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Formation — . Ee <Z 

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۳ rT ۷ ‎Collisions —‏ | و عقن ‎+ ‏تس 

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© shapes of galaxies are influenced by their neighbors, ‏شلات‎ + often, galaxies collide. The Milky Way is itself on a Collision course with our nearest neighbor, the Andromeda 931207 Even though it is the same age as the Milky Way, Hubble observations reveal that the stars in Andromeda's halo are much younger than ۱۱052۱6 Milky Way. From this and other evidence, astronomers infer that Andromeda has already smashed into at least one and maybe several other 9 13 1 

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۱۳ ‏ای‎ ‎Discoverie ‎3 

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بده 

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