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An Impact Structure With Legs - NASA Science

If the thought of extraterrestrial objects crashing into Earth weren’t creepy enough, behold Australia’s Spider Crater.

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An Impact Structure With Legs - NASA Science

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An Impact Structure With Legs - NASA Science

Summary: A satellite image of the Spider Crater in Western Australia, a unique impact structure featuring a central uplift that resembles a spider.

Captured by the Landsat 9 satellite on September 20, 2026, this image displays the Spider Crater in the Kimberley region of Western Australia. The structure, which measures approximately 13 by 11 kilometers, features a distinct central uplift that creates an arachnoid pattern. The light-colored 'legs' of the spider are erosion-resistant sandstone ridges. Geologists have confirmed the site as an impact crater by identifying shatter cones—fan-shaped fractures formed by intense shock waves—and shocked minerals within the central dome. The impact is estimated to have occurred between 900 million and 600 million years ago.

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1. Overview of Spider Crater in Western Australia 2. Satellite imaging details (Landsat 9, September 20, 2026) 3. Geological formation and the 'spider' pattern 4. Evidence of impact: shatter cones and shocked minerals 5. Estimated age of the impact (late Precambrian) 6. References and further reading

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