NASA’s InSight lander on Mars has sent back its first “selfie” — a great mosaic of 11 images, taken by the color camera on the “elbow” of its robotic arm. You can clearly see the round solar panels (7 feet wide) which collect power for the lander, and, between them, the instrument deck for measuring weather, marsquakes, and other conditions on Mars. Eventually, the instrument package nicknamed the mole will try to dig a hole 16 feet deep and see how heat flows inside the red planet. It’s terrific to see InSight’s systems slowly being tried out and working so well.
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