In space, the EHI has a resolution more than five times that of the EHT on Earth, and images can be reconstructed with higher fidelity. Top left: Model of Sagittarius A* at an observation frequency of 230 GHz. Top left: Simulation of an image of this model with the EHT. Bottom left: Model of Sagittarius A* at an observation frequency of 690 GHz. Bottom right: Simulation of an image of this model with the EHI. Credit: F. Roelofs and M. Moscibrodzka, Radboud University
Astronomers propose placing two or three satellites in circular orbit around the Earth to observe black holes. Astronomers have just managed to take the first image of a black hole, and now the next challenge facing them is how to take even sharper images, so that Einstein’s Theory of General Relativity can be tested...
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