NASA's Curiosity didn't kill the cat, but managed to find water!
On August 6 this year, NASA's biilion dollar rover, Curiosity, touched down on Mars's surface and since then, has been crawling it's surface to find any evidence that might suggest that the Red Planet was once able to sustain life.
Since then, the Mars rover, Curiosity has been living up to it's name and now, it has sent images that strongly suggest that water, a key element needed to sustain life, once existed on the Red Planet.
The pictures that were transmitted back to earth by Curiosity, shows rocks containing ancient stream bed gravels. The pebbles have been cemented into layers of conglomerate rock at a site between the north rim of the Gale Crater and the base of Mount Sharp, where Curiosity is heading.
"From the size of gravels it carried, we can interpret the water was moving about 3 feet per second, with a depth somewhere between ankle and hip deep. Plenty of papers have been written about channels on Mars with many different hypotheses about the flows in them. This is the first time we’re actually seeing water-transported gravel on Mars. This is a transition from speculation about the size of stream bed material to direct observation of it", said William Dietrich, of the University of California, Berkeley.
Saying that nobody actually knew for how long water moved over the surface, he guessed that the stream may have flowed for "thousands to millions of years."
The Mars rover was launched from Cape Canaveral on November 26, 2011. The 2.5 billion dollar project, is mainly designed to search for evidence that the most Earth-like planet, may once have harbored the necessary building blocks for microbial life to evolve.
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