Galaxies and the Universe - Discovery of Galaxies

Galaxies and the Universe - Discovery of Galaxies - 1/15/12...

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Unformatted text preview: 1/15/12 Gala ie and he Uni e e - Di co e T of Gala ie D G G 19 (H ) , M31 ). D A (M31) W ( ,3 P , .T A -S R , 72M33, M51, M101. E T (1) , (2) ' , P 36" C L , .E ( O , 1900 ( ( , ). W A , V.M. S ( A 220 L S -C , ). T ): NGC 4216 ). I ) ), C I NGC 4192 K , , ; I' K ). S ( ( . C ) " ( L ' . T 1885 " - "G D " " NGC 4800 1910, 1920, H.D. C " " ( M , W .W C ' : " , -, M M M C , ' C A J 69, 103 (1929) H . a.ed /keel/gala ie /hi o .h ml A ; C C C B L ,H , S (S A J 62, 409 (1925) G .T H ) .U 100" - M31, M33, IC P . 1976). NGC 6822; A J 63, 236 (1926) M33; M31. A A .a , L - M.W ,E H 1613 Man Discov ers t he Gala ies H ( , W. M , M.W , 1/2 1/15/12 Gala ie and he Uni e e - Di co e of Gala ie reported astrometric detection of rotation for several spirals such as M101 and M33. Such detection would require that these objects be quite nearby. Remeasurement of the plates has confirmed no such effect, and van Maanen followed all the rules for good practice in eliminating subjective measurement effects. Later work has failed to show where he might have gone wrong - is this a tribute to the power of subconscious suggestion, or what? « Introduction | Data and catalogs Course Home | Bill Keel's Home Page | Image Usage and Copyright Info | UA Astronomy k eel@bildad.a . a.ed Ls cags 820 at hne: /09 .a . a.ed /keel/gala ie /hi o .h ml 20-09 0020 2/2 ...
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This note was uploaded on 01/15/2012 for the course AY 620 taught by Professor Williamkeel during the Fall '09 term at Alabama.

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