Residency is a stage of graduate medical training. A resident or house officer is a physician (holding either a M.D. , D.O. , MBBS, MBChB, BMed or D.P.M. degree) who practices medicine usually in a hospital or clinic.The definition of residency varies worldwide by country and structure of the medical industry.esidency is a stage of graduate medical training. A resident or house officer is a physician (holding either a M.D. , D.O. , MBBS, MBChB, BMed or D.P.M. degree) who practices medicine usually in a hospital or clinic.
In astronomy, the term period usually refers to how long an object takes to complete one cycle of revolution. In particular the orbital period of a star or planet is the time it takes to return to the same place in the orbit. Quasi-periodic oscillation. Jump to: navigation, search.
Answer Wiki. The difference between both periods lies in the vantage point from which you observe the planet. The time taken by a planet to go around its parent star as seen from a fixed point outside the system is called the sidereal period. It is the actual time it takes to go around the star. The time that a planet takes to return to its exact same position with respect to the star as seen from a planet also in motion around the same star is called the synodic period.