Image: Shoemaker Crater, Australia

Image: Shoemaker Crater, Australia
Credit: contains modified Copernicus Sentinel data (2021), processed by ESA, CC BY-SA 3.0 IGO

For Asteroid Day, the Copernicus Sentinel-2 mission takes us over the Shoemaker Impact Structure (formerly known as Teague Ring) in Western Australia.

Located around 100 km northeast of the small town Wiluna, the Shoemaker Impact Structure was renamed in honour of Eugene Shoemaker, a planetary geologist and pioneer in impact crater studies.

The almost circular shape of the Shoemaker impact site, visible in the bottom-right of the image, is approximately 30 km in diameter and is defined by formed in sedimentary rocks (seen in dark brown). The precise age of the impact is unknown, but is estimated to be between 1000 and 600 million years ago—making it Australia's oldest impact crater.

This false-colour image was processed by selecting spectral bands that can be used for classifying , allowing us to clearly identify the concentric rings in the image. The light blue areas are saline and ephemeral lakes including Nabberu, Teague, Shoemaker and other smaller ponds.

Citation: Image: Shoemaker Crater, Australia (2021, June 30) retrieved 15 June 2024 from https://phys.org/news/2021-06-image-shoemaker-crater-australia.html
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