Formation
(8:06)
You can easily compress a football to the size of a ping pong ball (table-tennis). If you release it, the football returns to its original size; Right? However if you compress Earth to the size of a ping pong ball Earth becomes a Black Hole. If you release it, Earth will not return to its original size. You will not be able to release your hands. Gravity would have grown so much that not even light can escape.
Please link to: www.speed-light.info and if possible like this: Speed of Light
X-Ray Astronomy
Wormholes
