To what size must the Earth have to be compressed to become a black hole?

2 ⤊

please show your steps to solving this problem...
and leave the answer in scientific notation.. :D

2007-03-17 19:32:24 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics

Sqrt( 2GM/R) = c

So R = 2GM/c^2

This is just an estimate called Schwarzschild radius.

For earth radius is 9 millimeters.

2007-03-17 19:38:01 · answer #1 · answered by astrokid 4 · 2⤊ 0⤋

The Schwarzschild Radius, around 1 cm in radius.

2007-03-17 19:42:21 · answer #2 · answered by ag_iitkgp 7 · 0⤊ 0⤋