![]() The largest single-antenna radio telescope in the world has an approximate diameter of about 300 meters, but an image of the Moon produced by it would be more blurred than the image we see through a small optical telescope. We could never have seen the center of our galaxy at visible wavelengths, since there is too much material in between.īut because of their long wavelengths, radio waves also need large antennas. ![]() The wavelengths in radio have many advantages as radio waves pass through walls, they also traverse the galactic dust. ![]() The EHT basically aims to convert the entire planet into a large radio telescope antenna. it will be that there is some other deviation from the expected behavior.it will be that the radio broadcasts extend more than you think.it will be that the event horizon (the boundary of the black hole) is circular (as predicted) or, in contrast, is oblong (stretched).it will be that the black hole has the correct size as predicted by the Theory of General Relativity.These observations would answer some practical questions about the black holes that have long intrigued us, questions like: ![]() It is the Event Horizon Telescope (Telescope of the Event Horizon), a joint project of various astronomical observatories around the Earth that have been coordinated to observe the surroundings of a region called Sagittarius A*. ![]()
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