NASA scientists discovered a door on Mars?

The Curiosity It is the oldest of NASA’s rovers on Mars. landed the August 6, 2012 and immediately began sending images to Earth. It is three times heavier and twice as large as the vehicles used in the previous 2004 mission. and with advanced scientific instruments similar to a small laboratorywhich 17 cameras, sensors and machinery to analyze the Martian soil and rocks, such as a robotic arm.