The length of a night on Mars isn’t too different from here on Earth, lasting just over 12 hours on average. And thanks to the complete lack of artificial light, the night sky will shimmer with the usual star constellations we’ve come to know back on Earth. The use of the rover’s lights isn’t just for show. These curious formations also happen to look like massive spiderwebs from space — as if night on Mars didn’t already sound terrifying enough. More on drilling on Mars: NASA Now Letting Mars Rover Drive Autonomously