Super Volcanoes Spotted on Jupiter's Moon Io

August 5, 2014 9:01 AM

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Last August was a rough month for Jupiter's moon Io. The satellite was rocked by three massive volcanoes within a two-week period.

NASA astronomers were surprised by the high volcanic activity as these eruptions are considered to be infrequent - occurring around once every one or two years. Previously, the researchers had documented just 13 giant eruptions between 1978 and 2006, reported.

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