(a) Calculate the photon capture radius and the Schwarzschild radius of M87* (in AU). (b) Why was it not possible for previous telescopes to take such a picture of the black hole? (c) Describe the components and functionality of the event horizon telescope. (d) Explain the two algorithms used to reconstruct the image from the telescope data. (e) What parameters were required for the GRMHD simulations to generate an image? (f) Explain the physical origins of the features (g) How can the image resolution be increased in future observations? (central dark region, ring, shadow).
(a) Calculate the photon capture radius and the Schwarzschild radius of M87* (in AU). (b) Why was it not possible for previous telescopes to take such a picture of the black hole? (c) Describe the components and functionality of the event horizon telescope. (d) Explain the two algorithms used to reconstruct the image from the telescope data. (e) What parameters were required for the GRMHD simulations to generate an image? (f) Explain the physical origins of the features (g) How can the image resolution be increased in future observations? (central dark region, ring, shadow).
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