How Many Galaxies Are There? Astronomers Are Revealing the Enormity of the Universe

This tale appeared in the June 2020 situation as “A Universe of Galaxies.” Subscribe to Explore magazine for a lot more tales like this.


On the evening of Oct. four, 1923, in the vicinity of Los Angeles, a young astronomer acquired into his auto and began a motorized trek up to Mount Wilson. There, he arrived at the observatory that housed the one hundred-inch Hooker Telescope, at the time the most significant telescope in the environment.

Edwin Hubble was a fourth-yr astronomer at Mount Wilson he liked using the Hooker Telescope mainly because he was interested in, between other matters,

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