An angiogram uses X-rays and a special dye (contrast) to take pictures of the arteries in your brain, heart, and kidneys. The dye is injected into a small tube or catheter into an artery in your groin or (sometimes) your arm.
As the cloud collapses the force of gravity drawing the cloud inward gradually becomes stronger because the strength of gravity follows an inverse square law with distance. hoâ¦pe that helps.
The weak nuclear force: the force responsible for some types of radioactive decay and the transmutation of heavy, unstable fundamental particles into lighter ones. And gravity: the force that bind the Earth, the Solar System and the stars and galaxies together.