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.
How many stars are there in our Galaxy (Milky Way)? I am confused about the number of stars in our Milky Way galaxy. Some sources say that the Milky Way consists of 100 billion stars. Other say that the MASS of our galaxy is roughly 100 billion times the mass of the Sun. So because most of the galaxy mass is in the interstellar gaseous and dust nebulae there must be less than a 100 billion stars in it or the total mass must be greater.