1) Jets of Gas, Accretion Disk, Event Horizon
2) Black hole is made by gravity and the gravity is so great in a black hole that once something is sucked in it can not return.
3) We observe the effects of the stars and gas that is close to one.
4) The radius of the event horizon around a black hole.
5) Einstein developed the equation that showed the speed of light, but it has been discovered that even objects moving at the speed of light can not escape a black hole.
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"Amazing Concept about pulsar, star, x-rays, supernova & capture-theory read more…..
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