NASA’s Curiosity Rover Enjoys its 2000th Day on Mars
Since it landed on Mars in 2012, the Curiosity rover has made some rather startling scientific discoveries. These include the discovery of methane and organic molecules, evidence of how it lost its ancient atmosphere, and confirming that Mars once had flowing water and lakes on its surface. In addition, the rover has passed a number of impressive milestones along the way.
In fact, back in January of 2018, the rover has spent a total of 2,000 Earth days on Mars. And of March 22nd, 2018, NASA’s Mars Curiosity rover hit another major milestone: its two-thousandth Martian day (Sol) on the Red Planet! To mark the occasion, NASA released a mosaic photo that previews what the rover will be investigating next (hint: it could shed further light on whether or not Mars was habitable in the past).
The image (shown at top and below) was assembled from dozens of images taken by the Curiosity’s Mast Camera (Mastcam) on Sol 1931 (back in January). To the right, looming in the background, is Mount Sharp, the central peak in the Gale Crater where Curiosity landed back in 2012. Since September of 2014, the rover has been climbing this feature and collecting drill samples to get a better understanding of Mars’ geological history.
Image of the mosaic taken by NASA’s Mars Curiosity rover in January of 2018 (Sol 1931). Click to enlarge. Credit: NASA/JPL-Caltech/MSSS
In the center of the image is the rover’s next destination and scientific target. This area, which scientists gave been studying from orbit, is rich in clay minerals, which indicates that water once existed there. In the past, the Curiosity rover found evidence of clay minerals on the floor of the Gale Crater. This confirmed that the crater was a lakebed between 3.3 and 3.8 billion years ago.
The Gale Crater, meanwhile, is believed to have formed from sedimentary material that was deposited over a period of about 2 billion years. By examining patches of clay minerals that extend up Mount Sharp, scientists hope to gain insight into the history of Mars since then. These include how long water may have persisted on its surface and how it made the transition to the cold and desiccated place it is today.
The Curiosity’s science team is eager to analyze rock samples pulled from the clay-bearing rocks seen in the center of the image, and not just because of the results they could provide. Recently, the science team developed a new drilling technique to compensate for the failure of a faulty motor (which allows the drill to extend and retract). When the rover begins to drill again, it will be the first time since December 2016.
All told, the rover has spent a total of about 2055 Earth days (5 years and 230 days), which means Curiosity is ranked third behind the Opportunity (5170 days; 5031 sols) and the Spirit rovers (2269 days; 2208 sols) in terms of total time spent on Mars. Since it arrived on Mars in 2012, Curiosity has also travelled a total distance of 18.7 km (11.6 mi) and studied more than 180 meters (600 feet) vertical feet of rock.
But above all, Curiosity‘s greatest achievement has been discovering that Mars once had all the necessary conditions and chemical ingredients to support microbial life. Based on their findings, Curiosity‘s international science team has concluded that habitable conditions must have lasted for at least millions of years before Mars’ atmosphere was stripped away.
Further Reading: NASA
The post NASA’s Curiosity Rover Enjoys its 2000th Day on Mars appeared first on Universe Today.
Source: https://www.universetoday.com/138871/nasas-curiosity-rover-enjoys-2000th-day-mars/
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Yup, more bs for all the sheep!
The more you repeat a lie, the more the gullible believe it.
The Rover is actually on Devon Island, Canada. Perfectly clear photos from millions of miles away?? Laughable.