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Birth of Edwin Hubble
Marshfield, Missouri -
Period: to
Studies Astronomy at Yerkes Observatory
earns a doctorate from UIC -
Joins the Staff at the Mount WIlson Observatory
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Spotted A Cepheid Variable Star
in what was known as the Andromeda Nebula -
Proved That There Are Galaxies Outside Our Own
in a paper called "Cepheids in Spiral Nebula -
Discovered Almost Every Galaxy He Observed Appeared To Be Moving Away From The Earth
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Hubble's Law
States that the greater the distance of a galaxy from ours, the faster it recedes. It was proof that the Universe is expanding. -
Discovers asteroid 1373 Cincinnati
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Period: to
Helps Designed the Hale Telescope
On Mount Palomar in California -
Edwin Hubble's Death