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Subsurface lakes on Mars caused by clay not water finds new study

·1 min read

Three news research papers have indicated that the radar signals generated from Mars may have been caused by clay, not water. Initially, it was believed that the signals were coming from water under the structures on the south pole of Mars.

The instrument used to measure these signals was present at the Mars Express orbiter of the European Space Agency, ESA. However, three latest studies indicate that clay could be the material causing those radars to catch signals.

Jeffrey Plaut of Jet Propulsion Laboratory, National Aeronautics and Space Administration (NASA) along with Aditya Khuller, who was interning at JPL and is a doctoral student at the Arizona State University, use the data of Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS). They analysed 44,000 radar echoes across 15 years.

Smith discovered that the response generated by the frozen clay samples matched the observations made by the MARSIS radar.

Meanwhile, the agency has also shared the latest pictures of Mars. The first one of the three images of the red planet show layered rock formation within Jiji Crater. The second picture is of the polar dune field during northern spring. The third and the last picture is of ice sheets.

Posting on its Instagram account, NASA shared it with the caption that you have got a mail from Mars. The post has been liked over 10 lakh times.

Also See: When haircut threatened to overshadow Mars landing

NASA releases low-res video of Mars rover descent

NASA Mars test called success despite torn chute

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