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Cornell University

Black Holes & Quasars

September 13, 2024

This is a very insightful question I'd be interested to know what Dr Schramm told you about it In any case, the answer is somewhat subtle I'll treat the gravitational case here,...

June 28, 2024

First, a matter-antimatter collision is 100% efficient So even if you had a collision on the scale of a 10 million solar mass matter star combining with a 10 million solar mass...

June 28, 2024

Nothing spectacular (like time travel) happens when two black holes merge When two black holes merge, they just form a big black hole, that is all Of course, there ARE some...

June 28, 2024

This is a great question! There are two reasons why we never see matter fall into a black hole The first reason is because of gravitational time dilation; if we dropped a clock...