The length of a night on Mars isn’t too different from here on Earth, lasting just over 12 hours on average. Thanks to its similar axial tilt, it also experiences longer nights in winter and shorter nights during summer — but the gloom is eerie, with temperatures plummeting to as low as -100 degrees Fahrenheit near its equator. 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.
Technically, though, it’s not a complete blackout on the Red Planet’s surface at night. NASA’s Curiosity Mars rover, which has been wandering the planet’s deserted landscapes for almost 14 years, is outfitted with LED lights at the end of its robotic arm, allowing it to light up the seemingly endless darkness.
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