NASA rover observes aurora on Mars
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Mars doesn't have an organized planetary magnetic field like Earth, so auroras can appear anywhere in the sky. Now there's a photo of one.
NASA's Perseverance rover detected and captured an aurora on Mars in visible light for the first time. Unlike Earth, Mars lacks a global magnetic field, causing the aurora to cover the entire planet.
An aurora gently glowing in wavelengths visible to the human eye has been captured on Mars for the first time – and a robot was the only one to see it live.