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Lost photos suggest Mars' mysterious moon Phobos may be a trapped comet in disguiseMars' moon Phobos may actually be a comet — or at least part of one — that was gravitationally captured by the Red Planet long ago, a new preprint study based on previously unpublished photos ...
Phobos and Deimos – these names from Greek mythology were given to the moons of our neighbouring planet Mars, discovered in 1877 by the US astronomer Asaph Hall. Besides Earth's Moon, they are ...
Either way, the moon’s future will be considerably less groovy. Each century, Phobos gets about six feet closer to Mars; in 50 million years or so, the moon is projected either to crash into ...
Phobos is larger, at 13.9 miles wide, whereas Deimos is just 7.5 miles in diameter and the former is closer to Mars than its smaller twin. Earth's moon has a diameter of 2,158 miles — 155 times ...
Several US explorations and European missions - Mars Express (launched in 2003) and ExoMars Gas Trace Orbiter (launched in 2016) - have already provided data and images from Mars orbit ...
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