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.
Larger map. abundance and proximity. At least 76 stars of spectral type A (not including white dwarf stellar remnants) are currently believed to be located within 100 light-years or (or 30.7 parsecs) of Sol. Of those stars, astronomers believe that five have evolved out of the main sequence into giant stars, while an additional 17 or so may be subgiants (more on nearby giants and subgiants).