Watch the Casting of a Giant Mirror for the First Extremely Large Telescope
A look inside the Mirror Lab, where astronomers go when they need some serious glass.
http://ift.tt/2hgNrmT November 6, 2017 at 10:26PM
via Digg http://ift.tt/2hgNrmT
понедельник, 6 ноября 2017 г.
Watch the Casting of a Giant Mirror for the First Extremely Large Telescope
Watch the Casting of a Giant Mirror for the First Extremely Large Telescope
A look inside the Mirror Lab, where astronomers go when they need some serious glass.
http://ift.tt/2hgNrmT November 6, 2017 at 10:26PM
via Digg http://ift.tt/2hgNrmT
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