Buzz
On April 6, NASA's Perseverance rover on Mars transmitted an image of a rainbow back to Earth. Swiftly thereafter, the photograph sparked numerous scientific speculations as such a phenomenon seemed improbable from a scientific standpoint.
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Rainbows on Earth manifest under specific atmospheric conditions, where sunlight interacts and reflects with water droplets, creating this mesmerizing phenomenon. However, on the cold and dry red planet, the chance of witnessing a rainbow is highly improbable. Mars' atmosphere is predominantly composed of 95% toxic carbon dioxide, around 4% nitrogen and argon, with only 1% oxygen and water vapor. Despite significant differences in chemical and physical properties compared to Earth, it seems that certain natural phenomena may occur on both celestial bodies.
Scientists believe that rainbows cannot appear in the dry and unstable atmosphere of Mars.According to NASA's Director of Solar System Exploration, Dave Lavery, 'It could be due to dust reflecting sunlight in the camera lens.' He also added, 'The rover is almost north of the helicopter, so the camera is likely facing south around 2 PM on Mars at the time of the photo. That's an ideal condition for sunlight to hit the camera.' However, some experts suggest that this 'rainbow' might be formed by ice particles, as humans have observed snow in the polar regions of Mars.According to Sputnik and TheHill sources,
