Sunday, 7 October 2018

How Do You Take a Picture of a Black Hole? With a Telescope as Big as the Earth

How Do You Take a Picture of a Black Hole? With a Telescope as Big as the Earth

We live 26,000 light-years from the center of the Milky Way. That’s a rounding error by cosmological standards, but still — it’s far. When the light now reaching Earth from the galactic center first took flight, people were crossing the Bering Strait land bridge, hunting woolly mammoths along the way.

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