Images related to Emi Koussi and Wind Grooves

Desert Contrasts in Chad
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Desert Contrasts in Chad

Geologically young, dark lava flows stand out from older, lighter rocks and the sands of the central Sahara.

Published Jan 5, 2020

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Kebira Crater
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Kebira Crater

Published Mar 8, 2006

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Jebel Marra, Sudan
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Jebel Marra, Sudan

The almost circular massif in the Darfur region is a large cluster of volcanoes and lava flows, with a few traces of human activity.

Published Mar 15, 2020

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Smoky Andean Valleys
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Smoky Andean Valleys

Astronauts got an oblique look at the high plains and mountains of Bolivia.

Published Feb 19, 2018

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Israel’s Heart-Shaped Crater
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Israel’s Heart-Shaped Crater

At 500 meters deep, the Makhtesh Ramon is the world’s largest erosion crater.

Published Apr 3, 2020

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Sunset Crater
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Sunset Crater

Its name comes from the fiery orange earth around its cone.

Published Jun 18, 2017

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Iturralde Crater, Bolivia
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Iturralde Crater, Bolivia

Published Sep 10, 2002

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Ries Crater, Germany
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Ries Crater, Germany

Germany’s Ries Crater (or Nördlinger Ries) is not easily discerned in space-based images. The crater’s existence was probably just as subtle to the medieval Europeans who established a settlement inside it and unknowingly matched their 1-kilometer- (0.6-mile-) wide city to the likely diameter of the meteorite that formed the crater.

Published Mar 9, 2008

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Fogo, Cape Verde Islands
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Fogo, Cape Verde Islands

The volcano was almost continuously active from the 1500s until 1760.

Published Jun 17, 2009

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Spider Crater Close-up
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Spider Crater Close-up

Published Apr 20, 2008

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Volcanoes near Usulután, El Salvador
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Volcanoes near Usulután, El Salvador

Differences in size and surface features reveal the histories of four adjacent volcanoes.

Published Apr 26, 2010

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Lonar Crater, India
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Lonar Crater, India

India’s Lonar Crater began causing confusion soon after it was identified. Lonar Crater sits inside the Deccan Plateau—a massive plain of volcanic basalt rock leftover from eruptions some 65 million years ago. Its location in this basalt field suggested to some geologists that it was a volcanic crater. Today, however, Lonar Crater is understood to result from a meteorite impact that occurred between 35,000 and 50,000 years ago.

Published Apr 13, 2008

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Desert Contrast
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Desert Contrast

Waw an Namus, a dormant volcano in Libya, left a smear of basaltic tephra and ash in the middle of the Sahara Desert.

Published Jun 16, 2015

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