Mercury has a super long glowing tail *Its unbelievably long*
Mercury has a tail and it's longer than ever suspected. Mercurys tail was first predicted in the 1980s and was discovered in 2001. It is the nearest planet to the Sun and only 5.5 percent the size of Earth. Its gravitational and magnetic fields are too weak - just 1 percent of Earth's. Therefore, the planet doesn't have an atmosphere
Rather, it has a thin exosphere of mainly oxygen and potassium atoms. This small rocky world is constantly bathed in solar radiation. When the pressure of solar winds blow past the planet. It pushes some of the sodium atoms into a long tail behind it. As a result, the planet has the appearance of a comet. With a tail that's been observed streaming nearly 3.5 million kilometers. Mercury is not the only heavenly body with a sodium tail. The Moon is constantly releasing atomic sodium as a fine dust
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