Science
Strange ripples on swirling hills seen in Landsat-8 images leave NASA perplexed – Firstpost
The images show ripples on land on either side of the Markha river, with alternating light and dark stripes that give it an optical illusion-like quality.

tech2 News StaffMar 01, 2021 12:05:26 IST
A satellite orbiting the Earth has snapped photographs of a phenomenon that has scientists stumped. An odd landscape seen in the cold Arctic depths of Siberia, Russia, near the Markha River, shows widespread ripples that scientists could not explain. Images from the NASA satellite Landsat 8 were taking over several years, and recently shared by the space agency in its Earth Observatory website. The images show ripples on land on either side of the Markha river,…
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