aorounga造句

• The existence of Aorounga Central and Aorounga North must still be verified by scientists.
• The existence of Aorounga Central and Aorounga North must still be verified by scientists.
• These may be related impact craters, and if correct, Aorounga may be part of a crater chain.
• It is older than that of Aorounga because its coverage of impactite has disappeared as a result of erosion.
• On the assumption that this hypothesis is correct, the exposed Aorounga crater is sometimes referred to as Aorounga South.
• On the assumption that this hypothesis is correct, the exposed Aorounga crater is sometimes referred to as Aorounga South.
• Aorounga South, the most prominent crater, was previously detected in satellite images and hand-held photos captured by the shuttle.
• The wind blows from the north-east at Aorounga, and sand dunes formed between the yardangs are actively migrating to the south-west.
• Although he said the Aorounga craters could very well be impact craters, he cautioned that " we don't have the kind of evidence we need to catalog them yet ."
• The Spaceborne Imaging Radar C-X-band Synthetic Aperture Radar, called SIR-C-X-SAR, turned up signs of two new craters adjacent to a known impact site called Aorounga in northern Chad.
• "The Aorounga craters are only the second chain of large craters known on Earth and were apparently formed by the breakup of a large comet or asteroid prior to impact, " said Adriana Ocampo, a geologist with NASA's Jet Propulsion Laboratory in Pasadena.