Black hole facts

                               Black hole

1. The closest black hole  t o earth is only 1.6000ly away 
2. The singularity black hole has no volume hence it has infinite density 
3. Information about what has fallen into a black hole is thought to store on event horizon
4. If earth wear ti become a black hole it's diameter would be o.7 inch 



White hole

5. Black hole are extremely efficient if a car was as efficient black hole it could travel 1billion miles on 1 gallon of petrol
6. The black hole at the center of our Galaxy is Sagittarius and 15 miles across
7. The opposite of black hole is are estimated to be white hole which spray out matter 
8. If you will fall in black hole you would be stretch like a spaghetti
9. In 1972 tom Bolton discovered the first black hole is Cygnus x-1



Black hole

10. Bigger black hole creat when black hole and galaxy collide
11. If sun was replaced by black hole of same mass it would be just 3 km across and orbit of planet would unchanged.