Determining the expansion rate of the universe—known as the Hubble constant—has been a major scientific pursuit ever since 1929, when Edwin Hubble first discovered that the universe was expanding.
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NASA celebrates Edwin Hubble's discovery of a new universeEdwin Hubble was the first astronomer to take ... The rate of cosmic expansion is now known as the Hubble Constant. Ironically, Hubble himself never fully accepted the runaway universe as an ...
Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.
In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...
(THE CONVERSATION) A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper ...
About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and NASA scientists have produced the most comprehensive survey of the ...
Edwin Hubble's observations of V1 became the ... The rate of cosmic expansion is now known as the Hubble Constant. Ironically, Hubble himself never fully accepted the runaway universe as an ...
Circa 1945: Astronomer Dr. Edwin Powell Hubble sitting in a chair at a desk reading a journal. A staff member at Mt. Wilson Observatory, he was the first scientist to offer observational evidence ...
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