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10 fascinating facts about the world’s most powerful telescope

It’s a telescope as big as the Earth, aimed at some of the most mysterious phenomena in the universe.

EHT telescope

A supermassive black hole churns at the heart of the Milky Way galaxy. To see it clearly, we need a telescope the size of the Earth.

Building that is impossible, so scientists have flipped the problem and turned the Earth into a telescope.

The Event Horizon Telescope (EHT) is a global array of interconnected radio telescopes that is expected to soon provide humanity’s first glimpse of a black hole. Here are some fascinating facts about the world’s most remarkable telescope:

EHT overview

EHT vlbi arraw


EHT Haystack

EHT Spacetime




Brightness black holes



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