s*****t 发帖数: 1994 | 1 Magma Bubbles from Mt. Etna
Credit & Copyright: Marco Fulle (Stromboli online)
Explanation: Mt. Etna erupted spectacularly in 2001 June. Pictured above, the volcano was
photographed expelling bubbles of hot magma, some of which measured over one meter
across. One reason planetary geologists study Earth's Mt. Etna is because of its likely
similarity to volcanoes on Mars. Mt. Etna, a basalt volcano, is composed of material similar to
Mars, and produces similar lava channels. Located |
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