Friday, 3 February 2017

Lava Waterfall at Kilauea Volcano, Hawaii

Lava Waterfall at Kilauea Volcano, Hawaii

Over the last month the Kilauea flow has increased from a lava tube at the Kamokuna ocean entry on the southeast side of the Big Island. The lava now falls 70 feet (21 meters) into the cool seawater below, causing explosions and billowing smoke.
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Thursday, 12 January 2017

Rocky Mountains From Orbit

Rocky Mountains From Orbit

Expedition 50 Flight Engineer Thomas Pesquet of the European Space Agency photographed the Rocky Mountains from his vantage point in low Earth orbit aboard the International Space Station. He shared the image with his social media followers on Jan. 9, 2017, writing, "the Rocky mountains are a step too high – even for the clouds to cross." Image Credit: ESA/NASA
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Tuesday, 3 January 2017

Mont Aiguille

Mont Aiguille

On the front side, the City Hall of the village of Chichilianne, in the Vercors (French Alps). And on the back side, the Mont Aiguille, a famous French mountain first climbed in 1492. It is sometimes regarded as the birth of mountainering.
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Tuesday, 20 December 2016

Ice Rafts

Ice Rafts

The water currents in the Missouri River create ice rafts, or pods of frazil, as the freezing water swirls while flowing downstream.
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Sunday, 11 December 2016

Deadvlei, Namibia

Deadvlei, Namibia


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Lightning over Colorado

Lightning over Colorado

Have you ever watched a lightning storm in awe? Join the crowd. Oddly, nobody knows exactly how lightning is produced. What is known is that charges slowly separate in some clouds causing rapid electrical discharges (lightning), but how electrical charges get separated in clouds remains a topic of much research. Lightning usually takes a jagged course, rapidly heating a thin column of air to about three times the surface temperature of the Sun. The resulting shock wave starts supersonically and decays into the loud sound known as thunder.
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Thursday, 8 December 2016

Paris Smog

Paris Smog

"The Eiffel tower is shrouded in haze as the sun rises in Paris on Dec. 8,2016"
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