In April 2019, the Event Horizon Telescope collaboration announced that it had made the first spatially resolved images of a black hole, specifically the supermassive black hole in the center of the M87 galaxy

In April 2019, the Event Horizon Telescope collaboration announced that it had made the first spatially resolved images of a black hole, specifically the supermassive black hole in the center of the M87 galaxy. Using a wavelength of 1.3 mm, the EHT managed to achieve a resolution of approximately 1.2 x 10-10 radians.

a) What is the diameter of the primary aperture of the EHT? How does this compare to the diameter of the Earth?

b) Research the Event Horizon Telescope and report back on whether your result makes sense.

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genius_generous answered 2 years ago

Describe the evidence for a supermassive black hole at the center of our Galaxy.

A Black Hole has an event horizon, located at the Schwartzschild radius from the center of...

A Black Hole has an event horizon, located at the Schwartzschild radius from the center of the black hole. The Schwartzschild radius of a black hole is proportional to its mass. We can write a handy version of this equation for stars in terms of Solar Masses as follows: R = 3M Where R is measured in kilometers and M in Solar Masses. So a 1 solar mass object (the Sun for example) if turned into a black hole would...

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In April 2019, the Event Horizon Telescope collaboration announced that it had made the first spatially resolved images of a black hole, specifically the supermassive black hole in the center of the M87 galaxy

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Describe the evidence for a supermassive black hole at the center of our Galaxy.

A Black Hole has an event horizon, located at the Schwartzschild radius from the center of...