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.
What is a SEP IRA. A SEP IRA stands for Simplified Employer Pension Individual Retirement Account plan. That is some name, and practitioners usually refer to these plans as SEPs for short. This type of plan was created for small business owners and self-employed workers.