Recent content by @$@D

Thats what i am asking that how do you know that it is spherical and symmetrical.when they don't emit any radiations and radiations from its horizon is very hard to detect ..then what has lead us to conclusion that black holes are spherical ...also If black holes are attracting things towards...

hey people..! I need to ask that whether time travel is possible ?.If speed of light is achieved..however besides this i also think that if speed of light is achieved nothing could stay at that speed virtually...what do you people think..?? Secondly, i was thinking that how do we know that...