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26 August 2013
Why sunspots won’t help you make a fortune on wheat futures
A claim by 1800s astronomer William Herschel says the Sun’s moods influence things here on Earth in a more immediate way. Herschel asserted that the number of dark splotches on the Sun, called sunspots, significantly affects the wholesale price of wheat grain. Jeffery Love, a geophysicist for the US Geological Survey, decided to put this claim to the test. Such correlations, if they existed, would provide a useful analog for scientists researching historical solar activity.
GeoSpace is a blog on Earth and space science, managed by AGU’s Public Information staff. The blog features posts by AGU writers and guest contributors on all sorts of relevant science topics, but with a focus on new research and geo and space sciences-related stories that are currently in the news.