solar energy is... the sun's rays (solar radiation) that hit the earth is the definition of solar energy. Two categories passive and active. Passive: Passive solar produces heat and provides lighting for structures.
Retirement Insurance Benefits. Retirement Insurance Benefits (abbreviated RIB) or old-age insurance benefits are a form of social insurance payments made by the U.S. Social Security Administration paid based upon the attainment of old age (62 or older).
1 Filing early will decrease how much money you receive each month. Use a benefit calculator to figure out the difference in your case.  Accrue delayed retirement credits. For each month between age 62 and age 70 that you wait to apply for RIB, Social Security will increase your benefits by a certain percentage.