quarta-feira, 26 de abril de 2017

Astronomy picture of the day - 2017 April 26 - Mt. Etna Lava Plume

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Mt. Etna Lava Plume 
Image Credit & Copyright: Dario Giannobile
Explanation: Mt. Etna has been erupting for hundreds of thousands of years. Located in SicilyItalythe volcano produces lava fountains over one kilometer high. Mt. Etna is not only one of the most active volcanoes on Earth, it is one of the largest, measuring over 50 kilometers at its base and rising nearly 3 kilometers high. Pictured in mid-March, a spectacular lava plume erupts upwards, dangerous molten volcanic bombs fly off to the sides, while hot lava flows down the volcano's exterior. The Earth's rotation is discernable on this carefully time, moon-lit, long duration image as star trails.