The 2001 cloaking

The 2001 cloaking
The 2001 cloaking Two images, taken in 2001 by the Mars Orbiter Camera (MOC) onboard the now decommissioned Mars Global Surveyor orbiter, show the dramatic change in the planet's appearance when dust raised by a planet-circling dust event grew and became globally distributed. The images were taken about a month apart. This was the first planetencircling dust event that NASA’s Mars Exploration Program witnessed in 20 years of constant observation. The June 2018 storm, the third such massive storm during the last two decades, seems to be “behaving” a lot like the 2001 planet-encircling dust event, says Mars weatherman Bruce Cantor, of Malin Space Science Systems. NASA / JPL-Caltech / MSSS

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