Question

1. The Event Horizon Telescope captured the now-iconic image of the M87 black hole. Why is it called that ?

2. The M87 black hole is supermassive, but relatively compact for its mass. What size does it occupy ?​

Answer 1

The bright orange area in the image is the matter falling into the black hole, generating intense heat, light and radiation as it gets crushed into the "hole". The final image is black in the centre because no radiation can escape.

Answer 2

Answer:

The diameter of the black hole shadow is particularly important to astronomers in confirming an earlier estimate of the mass of the object, which appears to be about 6.5 billion times the mass of the sun. The 1.3-mm wavelength, considerably shorter than the norm in VLBI, also pushed the limits of our technology.

Explanation:

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