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NASA Observes First Visible-Light Auroras at Mars
NASA’s Perseverance Mars rover made history by detecting them for the first time from the surface of another planet, and MAVEN confirmed the detection.
Through modeling, Knutsen and her team determined the optimal angle for the Perseverance rover’s SuperCam spectrometer and Mastcam-Z camera to successfully observe the SEP aurora in visible light. Lee, a member of the MAVEN mission team who serves as the space weather lead, determined there was a notable solar storm heading toward the Red Planet, which could arrive in a few days. A few days later, the CME impacted Mars, providing a lightshow for the rover to capture, showing the aurora to be nearly uniform across the sky at an emission wavelength of exactly 557.7 nm.
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