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Results tagged with event-horizon
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user 112696
An event horizon is a type of boundary such that any information past this boundary is inaccessible to the observer it is defined for. Common examples are the Schwarzschild radius of a black hole (which is defined commonly for all observers outside this radius) and the cosmological event horizon (which is defined as a radius from an observer)
-2
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Are black holes very dense matter or empty?
(fellow amateur here) I believe that the notion that black holes are empty comes from that fact that all the matter that gets sucked past the event horizon is packed into an infinitival small ball of …
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