Friday, August 11, 2006

BLACK HOLES




A massive star starts to collapse when it exhausts its nuclear fuel and can no longer counteract the inward pull of gravity.


The crushing weight of the star’s overlying layers implodes the core, and the star digs deeper into the fabric of space-time.


Although the star remains barely visible, its light now has a difficult time climbing out of the enormous gravity of the still-collapsing core.


The star passes through its event horizon and disappears from our universe, forming a singularity of infinite density.

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