If you fall under one of the following criteria you are eligible to sign up for Medicare: 1  People 65 years of age and older. 2  Some people with disabilities under 65 years of age. 3  People with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant).
Stars that are located high on the y-axis are very luminous, and have a very large diameter. This is the realm of the giants on the H-R diagram. They are massive stars, but it is their great size (some have a radius more than 1 000 times the sun's, which is appr.
The Location of the Solar System in the Milky Way Galaxy. Did you ever wonder where in the galaxy we are? Our sun Sol is just one of more than a couple hundred billion stars that make up our home galaxy: the Milky Way. Our home lies within the disk of the Milky Way. It's the disk where most of the galaxy's gas and dust is located.