Start Date: End Date: Published Date Data Date
Ries Crater, Germany
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Published March 9, 2008
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.
Related images:
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Fire Damages Kenya’s Lake Nakuru National Park
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Published March 6, 2008
In late February 2008, Kenya’s Lake Nakuru National Park suffered a major blow when an accidental fire scorched a large section of the relatively small park.
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Wolfe Creek Crater
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Published February 24, 2008
Wolfe Creek Crater is the second largest crater in the world from which meteorite fragments have been collected. Because of its excellent preservation, the crater clearly shows the classic features that result from a large meteorite striking the Earth.
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Column of Ash Rises Over Shiveluch Volcano
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Published February 19, 2008
On February 17, 2008, the skies above Shiveluch Volcano in Russia’s Far East were clear and calm, allowing the ASTER instrument on NASA&#rsquo;s Terra satellite to catch this view of a column of ash from a recent eruption seemingly frozen in the air over the mountain. The southern slopes of the snow-covered volcano were brown with ash.
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Tenoumer Crater, Mauritania
Published February 17, 2008
Deep in the Sahara Desert lies a crater. Nearly a perfect circle, it is 1.9 kilometers (1.2 miles) wide, and sports a rim 100 meters (330 feet) high. Modern geologists long debated what caused this crater, some of them favoring a volcano. But closer examination of the structure revealed that the crater’s hardened “lava” was actually rock that had melted from a meteorite impact.
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Nighttime Eruption on Anatahan
Published February 15, 2008
When the satellite passed over Anatahan, it observed variations in thermal radiation (heat) coming from the surface and the atmosphere. Cooler surfaces are darker and warmer surfaces are brighter. The brightest, hottest spot in the scene is the summit caldera of Anatahan Volcano, which has been active off and on since 2003.
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Retreat of the Tasman Glacier
Published January 27, 2008
NIWA scientists stated that this glacier had retreated by 5 kilometers (about 3 miles) over the previous three decades. They also stated that New Zealand glaciers on the whole had lost 5.8 cubic kilometers (roughly 1.4 cubic miles) over the same time period.
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