Mars will become the fifth ringed planet as the largest of its two moons disintegrate - in 20 to 70 million years,according to recent dataMars is on course to become the fifth ringed planet in the solar system according to astronomers, who claim that its mini moon, and Phobos,will one day disintegrate into a hoop of dust and rubble.The small ball of rock is spiralling inexorably down towards Mars; when the tidal forces become too strong to withstand, Phobos will be ripped apart to leave a huge ring of fabric, and much like that seen around Saturn,researchers say.
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Source: theguardian.com