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.
What force contributes to the collapse of the clouds of dust and gas during star formation? gravity What are the vast clouds of gas and dust that form into stars called? nebulas Where does a star get enough energy to stop the collapse that would be caused by its own gravity?