Antares' size/Sun's size = (5840/3340)2 Ã Sqrt[9120] = 3.057 Ã 95.5 = 292. Antares is almost 300 times the size of the Sun! If the Sun were replaced by Antares, the inner planets Mercury, Venus, and Earth would be inside Antares! It is a red giant star---a star close to death.
The Modified Medical Research Council Dyspnea Scale, or MMRC, uses a simple grading system to assess a patient's level of dyspnea -- shortness of breath. This scale doesn't define the sensation of breathlessness per se, but rather the degree of disability that such breathlessness poses on day-to-day activities.
Mmhg stands for millimeter of mercury, a unit of measuring pressure. When it comes to compression stockings, mmHg refers to how tightly the elastic medical stockings support the veins in the leg. The higher the mmHg number, the greater the graduated stocking will squeeze the patientâs leg.