Mars, ho! It has been over half a decade since the Curiosity rover touched down on Mars' distant rust-colored surface in 2012, but at long last NASA is returning to the red planet with InSight, set to launch this weekend, The Associated Press reports. The spacecraft will be the first to study the deep interiors of Mars, including the planet's mysterious tremors known as "marsquakes."
InSight isn't making its six-month journey alone: Shortly after launch, two small satellites will break off and propel themselves behind InSight all the way to Mars. The satellites are nicknamed WALL-E and EVE, after the Pixar characters from the 2008 movie, and they will test a communication link with InSight when it lands on Nov. 26.
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