We have numerically explored the obliquity variations of a hypothetical moonless Earth using a range of initial conditions and extending our calculations for up to 4 billion years. We find that while obliquity varies significantly more than that of the actual Earth over 100,000 year timescales, the obliquity remains within ...
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Stormageddon -- Why Extreme Weather Is Hitting Us TodayHistoric snows and bitter cold across North America; massive floods in Australia and Pakistan; deadly mudslides in Brazil; epic drought and wildfires in Russia; 2010 was one of the most destructive years in human history - one of the worst years for extreme weather and one of the most expensive. ...