April 15, 2014 - Marauding demons, murderous pets, and ravenous jaguars are just some of the culprits that cultures around the world have blamed for the moon 's disappearance during lunar eclipses .
The Inca feared that a lunar eclipse was caused by a jaguar attacking the moon. They'd try to drive it away by making noise, including beating their dogs to make them howl and bark.
During the night of April 14 through April 15, the first total lunar eclipse in more than two years will be visible across North and South America, and from Hawaii. (See "Viewing Guide: Watch Moon Turn Red During Total Lunar Eclipse.")
While such celestial events are celebrated today with viewing parties, road trips, and astronomy talks, eclipses haven't always been events that people looked forward to.
Many ancient cultures saw solar or lunar eclipses as a challenge to the normal order of things, says E. C. Krupp, director of the Griffith Observatory in Los Angeles, California. "Things that shouldn't be happening are happening." (See "Solar Eclipse Myths From Around the World.")
"[The Inca] didn't see eclipses as being anything at all good," says David Dearborn, a researcher at the Lawrence Livermore National Laboratory in California, who has written extensively on how the Inca viewed astronomy. Accounts written by Spanish settlers in the New World record the Incan practices surrounding eclipses, he says.
Among the collected myths is a story about a jaguar that attacked and ate the moon. The big cat's assault explained the rusty or blood-red color that the moon often turned during a total lunar eclipse. (See "Lunar Eclipse Pictures: When the Moon Goes Red.")
The Inca feared that after it attacked the moon, the jaguar would crash to Earth to eat people, Dearborn says. To prevent that, they would try to drive the predator away by shaking spears at the moon and making a lot of noise, including beating their dogs to make them howl and bark. (Read about the Inca Empire in National Geographic magazine.)
The ancient Mesopotamians also saw lunar eclipses as an assault on the moon, says Krupp. But in their stories, the assailants were seven demons.
Traditional cultures linked what happened in the sky to circumstances on Earth, he says. And because the king represented the land in Mesopotamian culture, the people viewed a lunar eclipse as an assault on their king. "We know from written records [that Mesopotamians] had a reasonable ability to predict lunar eclipses," says Krupp. So in anticipation of an eclipse, they would install a surrogate king intended to bear the brunt of any attack.
"Typically, the person declared to be king would be someone expendable," Krupp says. Though the substitute wasn't really in charge, he would be treated well during the eclipse period, while the actual king masqueraded as an ordinary citizen. Once the eclipse passed, "as you might expect, the substitute kings typically disappeared," Krupp says, and may have been dispatched by poisoning.