Back burning sensations are any sensations anywhere on the back that elicit a feeling of warmth or heat and may or may not be accompanied by pain. Back burning sensation may also be accompanied by a wide variety of other symptoms, some of which may include feelings of tingling or numbness (paresthesia) or itching. A host of underlying events or conditions may cause back burning sensations.
The Moonâs synodic period is the time between successive recurrences of the same phase; e.g., between full moon and full moon. The synodic period of a planet is the time required for the Earth to overtake it as both go around the Sunâor, in the case of fast-moving Mercury or Venus, for the planet in question to overtake the Earth.
The lunar phase or phase of the moon is the shape of the illuminated (sunlit) portion of the Moon as seen by an observer on Earth. The lunar phases change cyclically as the Moon orbits the Earth, according to the changing positions of the Moon and Sun relative to the Earth. The Moon and the Earth are tidally locked, therefore the same lunar surface always faces Earth. This face is variously sunlit depending on the position of the Moon in its orbit.