Astronomy & Astrophysics 101: Measuring the Age and Size of the Universe
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Astronomy & Astrophysics 101: Measuring the Age and Size of the Universe
How do we measure the age and size of the universe? The search for Cepheids The top-ranked scientific justification for building the Hubble Space Telescope was to determine the size and age of the Universe through observations of Cepheid variables in distant galaxies. This scientific goal was so i
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