1 Tranurethral resection of the prostate (TURP) is the most commonly used surgical treatment for BPH. 2  A small instrument is inserted through your urethra into the prostate. 3  The prostate is then removed piece by piece. 4  This procedure usually requires a hospital stay.
Main article: Axial precession. Axial precession is the movement of the rotational axis of an astronomical body, whereby the axis slowly traces out a cone. In the case of Earth, this type of precession is also known as the precession of the equinoxes, lunisolar precession, or precession of the equator.
The Solar Cycle and Sunspots. The Suns magnetic poles reverse approximately every 22 years. This polar reversal is known as the solar cycle and two sunspot cycles occur at 11 year intervals within each solar cycle.