# Can I be a black hole?

1. Oct 16, 2007

### randa177

What is the condition for the schwarzschild radius to form a black hole?
Well, for example I have 65 Kg, so my Schwarzschild radius is 9.62x10^26 m
Why am I not a black hole?

2. Oct 16, 2007

### Parlyne

You might want to check your math.

3. Oct 18, 2007

### keinve

you are not dense enough.

4. Oct 27, 2007

### Blackwing

Check out the link below concerning a certain fictional "human black hole."

http://en.wikipedia.org/wiki/Chunk_(comics [Broken])

Last edited by a moderator: May 3, 2017
5. Oct 27, 2007

### fleem

6. Oct 27, 2007

### Exotic_Matter

I think you should check your maths.

Schwarschild radius: $$r_{s}$$=$$2Gm\overline{c^{2}}$$

substitute the following values:

$$r_{s}$$ is the Schwarzschild radius (you want to calculate)

$$G\ =\ 6.673(10)\ \times\ 10^{-11}\ m^{3} kg^{-1} s^{-2}$$

m is your mass, assume = 70 Kg

$$c\ =\ 2.99792458\ \times\ 10^{8}\ m\ s^{-1}$$

hence $$r_{s}$$= 1.0394599353664114117056783269603e-25 m

meaning your radius should be approximately as small as one part in ten million million million million of a meter!

Last edited: Oct 27, 2007
7. Oct 28, 2007

### gdpudasaini

You will certainly become a black hole if you compress yourself upto Schwarzschild radius. As said earlier your math is wrong. But one condition is again missing. To be a black hole you should compress the energy of your body within the region of Schwarschild radius.