Comet 31/Atlas has captured the world’s attention after astronomers confirmed it originated from another star system, making it an interstellar object. That means this mysterious traveler is merely passing through our solar neighborhood before continuing its journey into deep space.
Discovered earlier this year by the Pan-STARRS telescope in Hawaii, 31/Atlas has displayed a series of fascinating transformations. Scientists have confirmed that the comet has changed color for the third time since entering our solar system — a phenomenon that’s sparking new scientific debate and excitement.
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Star System Visitor Color-Shifting Mystery
Astronomers first observed 31/Atlas glowing green, a hue likely caused by carbon gases common in comets. Later, it turned blue-white, and more recently, it has taken on a reddish tone.
Dr. Mei Lin, an astrophysicist at the National Astronomical Observatory of Japan, explained, “These color changes suggest that sunlight is reacting with the comet’s surface materials — possibly ice, gas, and dust — causing them to heat, vaporize, and chemically alter.”
