Monday, September 25, 2017
NASA ScienceCasts: Hubble’s Contentious Constant
There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal.
Visit http://science.nasa.gov/ for more.
Credit: NASA
Duration: 4 minutes
#NASA #Hubble #Astronomy #Science #Space #Constant #Cosmos #Universe #Telescope #ESA #STScI #Goddard #GSFC #STEM #Education #HD #Video
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