Rounding out the focus are several
cyclical phenomena, including globalization, long waves of economic expansion and contraction, and hegemony.
However, the combination of two
cyclical phenomena (the sharp decline in world prices in 1999 and the re-negotiation of supply contracts with power generators) risks nullifying these efforts.
This would include astronomy educators, anthropologists, historians, biologists, or anyone else who pays attention to the
cyclical phenomena of the sky.