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    1. http://www.aaa.org/s932/images/09fallclass4.pdf
    ... galaxy Identification of types of galaxies Spiral, Elliptical, Irregular Map of the ... is the current most viable model for the spiral arms observed in spiral galaxies ...
    [ Текст ]  Ссылки http://www.aaa.org/s932/images/09fallclass4.pdf -- 1429.0 Кб -- 07.09.2011
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    2. Deep Sky Images by Joe DiNapoli ? Amateur Astronomers Association of New York
    ... NGC7479, a barred spiral galaxy about 100 million light years away in Pegasus . NGC7789, open star cluster . Omega Centauri, globular star cluster . ...
    [ Сохраненная копия ]  Ссылки http://www.aaa.org/gallery-2/astrophotography/deep-sky-images-by-joe-dinapoli/ -- 117.7 Кб -- 10.04.2016
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    3. http://www.aaa.org/EyepieceFiles/aaa/2008_09_September_Eyepiece.pdf
    ... Spiral galaxies with bar-shaped a r m s m a y n ot h a ve been born that way. ... tripled in the past 7 billion years, indicating spiral galaxies evolve as they age ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2008_09_September_Eyepiece.pdf -- 688.6 Кб -- 22.02.2015
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    4. http://www.aaa.org/EyepieceFiles/aaa/2011_02_February_Eyepiece.pdf
    ... lacks a bulge--a dense collection of stars at the center of most spiral galaxies ... a new mathematical technique that analyzes the ripples of 12 gas in spiral galaxies ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2011_02_February_Eyepiece.pdf -- 692.5 Кб -- 22.02.2015
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    5. http://www.aaa.org/EyepieceFiles/aaa/2011_03_March_Eyepiece.pdf
    ... and small to have the fa miliar spiral shape of galaxies in the loca l universe ... An unusual spiral galaxy with a flat, pancake-like shape is missing the trademark ... leftovers from the collision of a spiral galaxy and an elliptica l galaxy that ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2011_03_March_Eyepiece.pdf -- 817.7 Кб -- 22.02.2015
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    6. http://www.aaa.org/EyepieceFiles/aaa/2009_06_June_Eyepiece.pdf
    ... In the [Milky Way] galaxy we have these spiral arms that are formed by gravitation. ... discovered an unexpected cache of spiral galaxies that apparently formed recently ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2009_06_June_Eyepiece.pdf -- 820.9 Кб -- 22.02.2015
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    7. http://www.aaa.org/EyepieceFiles/aaa/2009_05_May_Eyepiece.pdf
    ... The two biggest galaxies are spirals that appear mostly intact. ... While M33 is a spiral galaxy like our own, it's quite different. ... An unusual large galaxy with a shape bordering between spiral and elliptical has ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2009_05_May_Eyepiece.pdf -- 804.1 Кб -- 22.02.2015
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    8. http://www.aaa.org/EyepieceFiles/aaa/2007_12_December_Eyepiece.pdf
    ... The 16-solar-mass black hole orbits a companion star in the spiral galaxy Messier 33, 2.7 million light-years from Earth. ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2007_12_December_Eyepiece.pdf -- 701.3 Кб -- 22.02.2015
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    9. http://www.aaa.org/EyepieceFiles/aaa/2011_01_January_Eyepiece.pdf
    ... Obviously, we ca nnot see the entir e galaxy, since we are within it, so the ima ge of another spiral galaxy is used as a proxy ... Abbott and Willia ms described various types of galaxies--spiral and globular--quasars and other objects. ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2011_01_January_Eyepiece.pdf -- 692.9 Кб -- 22.02.2015
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    10. http://www.aaa.org/EyepieceFiles/aaa/2012_03_March_Eyepiece.pdf
    ... The phot o shows galaxy NGC 1073, a barred spiral 55 million light -years a wa y in ... Sci entists think spiral galaxies` central bars might form as they a ge, in part ...
    [ Текст ]  Ссылки http://www.aaa.org/EyepieceFiles/aaa/2012_03_March_Eyepiece.pdf -- 1858.4 Кб -- 14.10.2015
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