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Early Attempts to Map the Galaxy

Time marches on...

Distribution of Globular Clusters

  • Astronomers start mapping the globular clusters in the sky

  • They all seem to be concentrated about one point

  • This is also roughly the point where the Milky Way appears the brightest

Drawing of a "Spiral Nebula"

  • Astronomers also started noticing spiral nebula

  • Distributed all over the sky

  • Some astronomers thought that might be other galaxies like our own Milky Way.