Mars sports 'invisible' frost and dust avalanches, and scientists may finally know why

[AncientSword]

https://www.space.com/mars-invisible-fr ... es-mystery

There are many mysteries on Mars, and scientists might have just solved two of them.

Mars sports vast regions of frost that can only be seen in the infrared range of the spectrum, not in visible light, for reasons scientists couldn't explain. Now, using data from NASA's Mars Odyssey orbiter, scientists at the agency's Jet Propulsion Laboratory (JPL) in Pasadena, California, and Northern Arizona University in Flagstaff, Arizona, have come up with a theory that explains this "invisible" frost on the Martian surface. The scientists suggest that the frost may be camouflaged by dust, an idea that could also explain the similarly mysterious phenomenon of dust avalanches on Mars.

[xkhan]

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