Show variation noticed in suna rotation period the sun Is as fickle in most of its lt characteristics as well supply your own simile ille it line has been found how ever that this inconsistency Is ably it a periodic function so unit thal the th sun will barp front from to min ilium in its over a fixed period of years for example dri dr charles stjohn st john of the mount blount allson alls on observatory to in california has discovered that thai I 1 the pl ab of of the sun has been increasing the sun in other words th slowing down in 1871 1870 the equatorial speed of the suns rot botlon lon avas na klio kilometers meters per second lo in IMS IDIS it was LN and by 1023 the sun had bad down to per second it Is I 1 believed however that will not he be constant bud and that Wt benning J jn n 1929 the sun wilt watt gra gradually duall y pick up speed again until it ft reaches a maximum d of rotation within the next few years |