Universe-expansion

3 Jun 2016

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The three steps astronomers used to measure the universe’s expansion rate to an unprecedented accuracy, reducing the total uncertainty to 2.4pc. Image via NASA, ESA, A. Feild (STScI), and A. Riess (STScI/JHU)

Universe expansion

Colm Gorey is a journalist with Siliconrepublic.com

editorial@siliconrepublic.com