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.
SEP Plan FAQs. A Simplified Employee Pension (SEP) plan provides business owners with a simplified method to contribute toward their employeesâ retirement as well as their own retirement savings. Contributions are made to an Individual Retirement Account or Annuity (IRA) set up for each plan participant (a SEP-IRA).