Believers of alien life received some added evidence to confirm their theory. Drawing data from NASA’s Mars rover Curiosity, scientists reportedly believe Earth’s closest neighbor was capable of sustaining life for tens or even hundreds of millions of years, Space.com reported Wednesday.
The rover, which began scouring inside Mars’ Gale Crater since in August 2012, has spent the last four years drilling out and analyzing various rocks on the planet’s surface along an elevation range as high 650 feet, a wide swath of terrain that’s allowed scientists to determine the assertion that life existed on Mars. Curiosity has slowly but surely climbed the 3.4-mile high Mount Sharp, which skies out of the crater’s center.
So, during that wide time frame, analysis of Curiosity’s findings show that the environment within the crater did change distinctly but not enough to completely rule out life ever existed on the fourth planet from the sun.
"For that entire history [of Mars], it seems to have been favorable" for life, Curiosity science team member and California Institute of Technology-Pasadena geologist John Grotzinger told Space.
The findings also allow NASA’s scientists to gain a better foothold in the planet’s potential history of past life. In March 2013, seven months into Curiosity’s mission, Space.com also reported that primitive life like microbes could have also lived on Mars and that a habitable lake and stream system also could have existed billions of years ago.
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