NASA Releases Striking Image of Dawn on Mars from Curiosity Rover
NASA has shared a striking image captured by the Curiosity rover showing dawn on the Martian surface while the rover was climbing Mount Sharp in Gale Crater. The image highlights a distinct rock layer that scientists believe was once windblown sediment.
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Based on reporting by South China Morning Post:
NASA has distributed a striking image depicting the dawn on the Martian surface, which was captured by the Curiosity rover as it ascended Mount Sharp within Gale Crater. The car-sized vehicle, which landed in Gale Crater near the Martian equator in 2012, has been climbing Mount Sharp, a mountain that is 5km tall, since 2014. The image was obtained by the Mastcam camera on the rover approximately one hour after the sun rose over a terrain featuring cliffs sculpted by wind in the distance.
Planetary scientist Ashwin Vasavada, a Curiosity project scientist at NASA’s Jet Propulsion Laboratory in California, stated that the bright, craggy peaks visible in the distance represent a rock layer that appears significantly different from the layers the rover has encountered previously. Vasavada suggested that this layer may have originally consisted of windblown material, such as sand or ash that traveled into the crater from nearby volcanic events. He further explained that after this sediment solidified into rock, prolonged periods of wind sculpted the rock layer into ridges known as yardangs.
According to Vasavada, this yardang layer likely formed around 3 billion years ago, coinciding with the formation of the rest of the mountain. This specific layer extends across approximately 16km across the northwestern sections of Mount Sharp.
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