The Milky Way Galaxy and Hubble’s Law Messier Catalogue Messier Catalogue Charles Messier made the first catalog of non-stellar “fuzzy” objects during the 1770's. He made a list of 109 such objects that he did not want to mistake for comets .
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The Milky Way Galaxy
Globular Clusters evenly distributed
Sun at center
Globular Clusters unevenly distributed
April 26, 1920
A galaxy is a nebula
within the Milky Way!
A galaxy is an
M32 - E2
M87 - E1
Large Magellenic Cloud
V = H D
recessional velocity = Hubble’s Constant Distance
Our universe is expanding.
Like raisins in rising raisin cake, galaxies move away
away from each other in our expanding universe.