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The radius? The radius of a black hole may very well be infinite. The schwarzchild radius is give by: 2GM/c2. G is the universal gravitational constant, M is the mass (16 suns in your case), and c is, of course, the speed of light. G is 6.67 x 10-11 m3 /(kg∙sec2)]. M (one sun) is 2x1030 kg. c is 3x108 m/s
Put it all together, and rs is 44,500 meters, or 45 km.
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∙ 15y ago
The event horizon radius for a black hole can be calculated using the formula: R = 2GM/c^2, where M is the mass of the black hole, G is the gravitational constant, and c is the speed of light. Plugging in the values for a black hole with 16 solar masses, we find R = 47 km.
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