Since 2015, a mysterious purple light in the sky has baffled NASA. The space agency has dubbed the strange light ‘Steve’, but despite having an ordinary name, the light is extremely complex.
Now, NASA has shared a stunning photo of Steve and the Milky Way, snapped over Childs Lake, Canada in 2017. The beautiful image was shot by photographer Krista Trinder, and has been featured as NASA’s Astronomy Picture of the Day.
NASA said: “What's creating these long glowing streaks in the sky? No one is sure. “Known as Strong Thermal Emission Velocity Enhancements (STEVEs), these luminous light-purple sky ribbons may resemble regular auroras, but recent research reveals significant differences. “A STEVE's great length and unusual colours, when
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