Space may be a harsh and unforgiving place – and it's true that no one can hear you scream there – but it's also regularly and heart-stoppingly pretty. For instance: Did you know that our celestial neighbor Mars has been putting on an ultraviolet light show called nightglow for several million years now? It's true.
We only spotted it recently, though. Nightglow is an odd phenomenon in which the atmosphere of a planet literally glows in the absence of external light. The glow is triggered by several intersecting processes happening on the chemical and molecular level, but in essence it's not much different than what happens inside a glow stick. Our man on Ascraeus Mons, Trace Dominguez, has the story in today's DNews report.
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Seeker: New View of Mars Reveals Ghostly Ultraviolet Glow
Space.com: Gorgeous Mars 'Nightglow' Spotted by NASA Orbiter
NASA: MAVEN Mission Overview