( )



:

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(1889-1953)

- " (1889-1953)"

(Hubble) (1889-1953), . (); , , (1929) .


:
" "
" "
" "
" (1750-1803)"
" (; , )"
" (1900-74)" - ...
" (. 1929)" - ...
" (. 1941)"
" (. 1921)"
" (. 1872-1919)" - ...
" (. 1932)" - ...