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Curiosity Finds Deposits from Megafloods in Martian Crater 5nvklj





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Curiosity Finds Deposits from Megafloods in Martian Crater

Dragon
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Curiosity Finds Deposits from Megafloods in Martian Crater Empty Curiosity Finds Deposits from Megafloods in Martian Crater

Post by Dragon Thu Nov 26, 2020 8:49 pm

NASA’s Curiosity rover has found a series of symmetrical, 10-m- (33-foot-) high gravel ridges — sedimentologic evidence of ancient giant floods — in Gale Crater on Mars.

“We identified megafloods for the first time using detailed sedimentological data observed by the rover Curiosity,” said Dr. Alberto G. Fairén, an astrobiologist in the Department of Astronomy at Cornell University and Spain’s Centro de Astrobiología.

“This case includes the occurrence of giant wave-shaped features in sedimentary layers of Gale Crater, often called megaripples or antidunes that are about 19 m high and spaced about 137 m (450 feet) apart,” said Professor Ezat Heydari, a researcher in the Department of Physics, Atmospheric Sciences, and Geoscience at Jackson State University.

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Curiosity Finds Deposits from Megafloods in Martian Crater 334pu7m
Dragon
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Curiosity Finds Deposits from Megafloods in Martian Crater Empty Re: Curiosity Finds Deposits from Megafloods in Martian Crater

Post by Dragon Thu Nov 26, 2020 8:51 pm

Curiosity Finds Deposits from Megafloods in Martian Crater Image_9080-Mars-Megafloods
Image credit: Malin Space Science Systems / NASA / JPL.

(A) Curiosity’s Mastcam image mosaic cquired on Sol 646 (looking southeast) shows the exposure of the Curiosity (HPU) inside an impact crater; here the unit is about 8 m thick and consists of cross bedded unsorted conglomerate with clasts as large as 20 cm across; cross beds indicate flow toward north (to the right of the image).

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Curiosity Finds Deposits from Megafloods in Martian Crater 334pu7m
Dragon
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Curiosity Finds Deposits from Megafloods in Martian Crater Empty Re: Curiosity Finds Deposits from Megafloods in Martian Crater

Post by Dragon Thu Nov 26, 2020 8:51 pm



Curiosity rover finds evidence of ancient megafloods on Mars


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Curiosity Finds Deposits from Megafloods in Martian Crater 334pu7m

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