Which of the following statements correctly describes what is meant by accretion when referring to black holes?
Calculate the Schwarzschild radius for an object that has the same mass as the Sun. Use a value of kg for the mass of the Sun, m/s for the speed of light, and m3/kg⋅s2 for the universal gravitational constant. Give your answer in kilometers to one decimal place.
Which of the following is the correct description of the event horizon of a black hole?