Sunspots - and the Gregorian calendar.
sunspots
SunSpots
SunSpots
why do buisness cycles occur in free enterprise systems
why do buisness cycles occur in free enterprise systems
Matter does no occur in cycles, it occurs in states.
They occur world-wide, and seem to be part of a pattern not yet fully understood. There is also debate as to whether sunspot cycles have anything to do with them. The last ice age ended between 20 and 25 thousand years ago.
Sunspots
Sunspots - and the Gregorian calendar.
Solar (sun spot) cycle.
Cooling,Weathering,Erosion,Compaction,And Cementation.
That's the frequency.