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abstraction > mathematical concept > number > quantity > length > radius > gravitational radius |
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gravitational radius | ||||
subject | fact |
gravitational radius | has definition The radius which an object should have in order that light emitted from its surface just ceases to escape from its surface. | ![]() |
is an instance of radius | ![]() | |
length | has unit length unit | ![]() |
number | has value | ![]() |