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Published online 6 June 2001 | Nature | doi:10.1038/newsYYMMDD-0
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Eleven years of constant searching is over
The Hubble Space Telescope issues its final word on the speedat which the Universe is expanding.
The Hubble Space Telescope (HST) has completed its measurement of the Hubble constant, a measure of how fast the Universe is expanding and a cornerstone of our understanding of the age and size of the Universe1. The final value of the constant seems to be just about spot-on.
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