NASA's Perseverance rover captured the first-ever photo of visible auroras on Mars, caused by a solar storm colliding with the planet's magnetic field.
While not as visually stunning as Earth's auroras, Mars' auroras were emitted in visible wavelengths for the first time in the solar system.
The faint green lights on Mars are believed to be the first auroras captured using visible light only, raising hopes for future human observation.
Researchers positioned the rover to photograph the auroras after predicting that a solar storm would hit Mars.
The detected green hues from the auroras were emitted by excited oxygen molecules in Mars' thin atmosphere.
Humans may observe auroras on Mars in the future as solar particles increase and atmospheric dust decreases.
The weak auroras were barely visible and appeared only after editing out the glare from Mars' moon, Phobos.
Other planets in the solar system, like Venus, Jupiter, Saturn, Uranus, and Neptune, also exhibit extraterrestrial auroras, albeit in non-visible spectra.
Solar storms triggering auroras on planets like Earth, Mars, and Venus have become more common during the peak of the sun's activity cycle.
Mars' limited atmosphere still has enough gas to emit colorful auroras, despite lacking a proper magnetic field to shield it from solar winds.