During a recent probe, the European Space Agency's ExoMars probe spotted the Red Planet glowing green at night.
In a blog post, the ESA said that the ExoMars' Trace Gas Orbiter (TGO) mission was able to detect the green Martian glow, which scientists have known about for some time but have only ever seen in the planet's "daylight" twice.
In 2012 and again in 2020, European scientists were able to observe a "dayglow," or a similar green halo effect, during the Red Planet's daylight hours - but scientists seeing this "nightglow" in visible wavelengths when the Sun is not shining on Mars is a first.
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