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Wednesday, March 06, 2013

The Two-Way

VIDEO: Mount Etna Lights Up The Night Sky

The sky glowed red above Sicily's Mount Etna early Wednesday.

March 6, 2013 As the volcano erupted Tuesday night and early Wednesday, cameras caught the dramatic scene. Watch as the night sky glows red.

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Thursday, February 21, 2013

The Two-Way

Pretty Picture: Mount Etna Boils Over; NASA Adds Color To Shot From Space

Sicily's Mount Etna early this week, as seen from space. The bright red is lava. Snow is blue-green. Clouds are white. "Shortwave infrared, near infrared, and green light" combine to produce the colors.

February 21, 2013 A satellite image combining infrared, near infrared and green light produces a colorful combination. The volcano has been blowing off steam, and lava, this week.

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