NASA releases ‘SPIDERS’ crawling image, found on the MARS surface

NASA releases ‘SPIDERS’ crawling image, found on the MARS surface

At a first glance, an image clicked by NASA’s Mars survey Orbiter likely to feature ‘SPIDERS’ crawling over the Mars surface. This image was captured on May 13, 2018, and disclosed on Friday, projects an extraordinary phenomenon that has less link in actual with spiders.

NASA releases ‘SPIDERS’ crawling image, found on the MARS surface | tnbclive.com

The image projects ice-cap of carbon-dioxide covering a wide region on Mars and as the SUN returns to the spring, the spider-like objects emerged out from the surface.

The incident takes place when CO2 below the surface on Mars gets hot in the spring and transforms from solid to gas form, which leads to spider crawling like radiating objects on the surface and it is called “araneiform terrain.”

NASA researchers said, “The word ‘araneiform’ means ‘spider-like’. There are radically organized channels on Mars that look spider-like, but we don’t want to confuse anyone by talking about ‘spiders’ when we really mean ‘channels,’ not bugs.”

Researchers further expressed, “Over time, the trapped carbon dioxide gas builds under pressure and is eventually strong enough to break through the ice as a jet that erupts dust. The gas is released into the atmosphere and darker dust may be deposited around the vent or transported by winds to produce streaks. The loss of the sublimated carbon dioxide leaves behind these spider-like features etched into the surface.”

However, the seasonal active process is rarely found on Earth, reports NASA, while compare to the sublimation process on Earth of dry ice.

 

by Chandrani Sarkar on July 31, 2018

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