Factoid For the Curious

While looking at information about woolly mammoths, I found this web page. Take it with a grain of salt:

http://en.wikipedia.org/wiki/Milankovic_cycles

(or this one, if you don't trust wikipedia: http://www.ncdc.noaa.gov/paleo/milankovitch.html)

I've seen it or one like it before and wonder about the influence of planetary, solar system, galaxy and universe-sized changes on our feelings of determinism and self-reliance. No matter whether you believe in one god, many gods or the sheer power of the universe, you can appreciate the fragility of our planet's environment supporting our species' long-term prospects of success.

Oh well, time to return to Earth, make a sandwich for lunch and then preparation for teaching a class on the Linux operating system. %^>