How to Measure Distances in the Universe: Revision history

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6 March 2012

  • curprev 03:1503:15, 6 March 2012WikiSysop talk contribs 17,288 bytes +17,288 Created page with "Distances to the Moon are measured by timing a pulse of laser light reflected from mirrors placed on the surface by Apollo astronauts in the 1960's and 1970's. A laser pulse t..."