NASA has speculated about an image from Mars that shows what many believed to be a “rainbow” or “rainbow”.

In a Tuesday tweet, the NASA Perseverance Mars Rover account wrote that the agency looked at the comments in an April 4 photo online about the bright arc captured with the rover’s onboard rear left hazard awareness camera.

NASA has never seen the first export from the MARVER rover site

“Many people asked: Is that a rainbow on Mars?” They said. “No. Rainbows are not possible here.”

“Rainbows are produced by light reflected from round water droplets, but there is not enough water here for the condensus, and it is too cold for liquid water in the atmosphere,” he continued. “This arc is a lens flare.”

A lens flare is caused by a non-image forming bright light that shines in the lens.

Rainbow is formed when sunlight passes through the raindrops in the atmosphere.

However, while a rainbow may not be possible on the thin, dry and extremely cold climate of Mars, The Hill mentioned Tuesday In a 2015 “Ask me anything” A member of the NASA team hinted at the possibility of “snowbows” as snow has been seen on the poles of the red planet.

Mars Fortitude Sol 43: Rear Left Hazard Avoidance Camera (Hazmake) NASA's Mars Fortitude Rover obtained this image of the area behind it using its onboard rear left hedge avoidance camera.  This image was acquired on April 4, 2021 (Sol 43) at a local mean solar time of 15:17:19.  Image Credit: NASA / JPL-Caltech

Mars Fortitude Sol 43: Rear Left Hazard Avoidance Camera (Hazmake) NASA’s Mars Fortitude Rover obtained this image of the area behind it using its onboard rear left hedge avoidance camera. This image was acquired on April 4, 2021 (Sol 43) at a local mean solar time of 15:17:19. Image Credit: NASA / JPL-Caltech

Nevertheless, lens flares are common in Rover images.

A recent image The Mars Ingenuity chopper – sooner than April 11 for its first test flight – shows another lens flare.

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Another April 4 image captured a lens flare and one-shot of the fixture wheel using the same camera.

In addition to solar filters on its cameras, persistence Are sunshed on that Front harbor avoidance cameras. However, the sun does not appear in the rear hazards.