Martian shadows
February 2013: This Groundhog Day, remember that all shadows involve science — not rodents.
Contributed by Bob Berman
Published:
December 21, 2012
Get ready for the strangest of our national traditions.
Imagine if aliens arriving in the far future find a newspaper from our time and try to figure out Groundhog Day.
“Seems these humans held up a woodchuck at sunrise!” exclaims the first Vulcan. “If the animal saw its shadow, Earth’s storm systems grew. That’s what they believed.”
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