the Schwarzschild radius for the sun
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The Schwarzschild radius describes the critical value to which the radius of a massive body must be reduced for it to become a black hole.
R = 2 G M / c 2
where
G = gravitational constant 6.7x10 -11
M= mass of the object
C = speed of light 3x10 8
The sun has M = 2x10 30 . What is the Schwarzschild radius for the sun? [Note its true radius is 700,000.]
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It explains how to find the Schwarzschild radius for the sun.
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