NASA has clarified that the curved structures photographed by the unmanned rover “Trail” on Mars are not rainbows, but lens flare.
People often see rainbows on Earth, but it’s not easy to see them on other planets. NASA’s unmanned rover Perseverance has uploaded a picture from Mars of what appears to be a rainbow hanging high in the sky, but unfortunately, it’s not a rainbow.
NASA released images of its mini-helicopter Ingenuity landing on the Martian surface on April 4. Weighing just 1.8 kilograms, Ingenuity was originally anchored to the belly of the Trailblazer.
NASA wrote in a tweet that many people were asking if that was a rainbow on Mars. But it wasn’t a rainbow, it was lens flare . Rainbows can’t be there because there isn’t enough moisture to condense and the atmospheric temperature is too cold for the liquid.
Lens flare is the phenomenon of light being scattered or emitting flashes of light from a lens. This phenomenon is usually caused by the light scattered by the imaging mechanism of the lens itself.
“After several months of flight, Perseverance landed in February in Jezero Crater on the surface of Mars. The crater is located on an alluvial plain that used to be a water-filled highland lake that may contain the remains of ancient life.
NASA said the “Trail” mission is to find the remains of microorganisms that may have survived on Mars billions of years ago. It will collect rock samples, placed in metal tubes, and sent back to Earth for research in future missions.
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