A quasar is believed to be a supermassive black hole surrounded by an accretion disk. An accretion disk is a flat, disk-like structure of gas that rapidly spirals around a larger object, like a black hole, a new star, a white dwarf, etc.
Category: Special Enrollment Periods SEP. In certain situations, people with Medicare may be eligible for a Special Enrollment Period (SEP) allowing them to join a Medicare Advantage plan or Medicare Part D prescription drug plan, or switch to a different Medicare plan during the plan year.
The official handbook, Medicare & You 2011 , says that Medicare covers two types of physical exams â one when you're new to Medicare and one each year after that.. It describes these as the initial Welcome to Medicare physical exam and the yearly wellness exam. Medicare wellness exam differs from a physical exam.. â llustration by: Jon Krause. Schmitz, a retired engineer from Portland, Maine, was pleased when he read that, under the new health care law, Medicare had begun covering annual physicals free of charge.