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Black

The Lancet Psychiatry, 2017
openaire   +2 more sources

Black Holes

2009
Abstract A black hole is an object that is inside its event horizon at r=r*: a one-way surface that particles and light can only traverse inward. This chapter studies the spherically symmetric nonrotating Schwarzschild black hole. The metric elements change their respective signs when crossing from r>r∗ to r<r*, leading to ...
openaire   +1 more source

Black on Black

2016
Virginia Mapedzahama   +1 more
openaire   +1 more source

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