<documents_info>Hubble Telescope Observations of Distant Galaxies,Redshift and the Expanding Universe,The Cosmic Microwave Background Radiation,The Inflationary Epoch,The Fate of the Universe</documents_info>
<query>How does the redshift of distant galaxies provide evidence for an expanding universe?</query>
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<documents_info>Hubble Telescope Observations of Distant Galaxies,Redshift and the Expanding Universe,The Cosmic Microwave Background Radiation,The Inflationary Epoch,The Fate of the Universe</documents_info>
<query>How does the redshift of distant galaxies provide evidence for an expanding universe?</query>
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Catalogue
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<query>How does the redshift of distant galaxies provide evidence for an expanding universe?</query>
<documents_info>Hubble Telescope Observations of Distant Galaxies,Redshift and the Expanding Universe,The Cosmic Microwave Background Radiation,The Inflationary Epoch,The Fate of the Universe</documents_info>