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Hubble refines his work on "redshift" and Doppler shift to explain that the universe is expanding and how fast. This calculation is known as the Hubble Constant symbol "H". Scientists and astronomers continue to study and research to validate Hubble's hypothysis and adjust the value of H as new information is available.
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A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.