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Lost photos suggest Mars' mysterious moon Phobos may be a trapped comet in disguise
Mars' 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part of one — that was gravitationally captured by the Red Planet long ago, a new preprint study based on previously unpublished photos ...
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Earth and Mars’ moons photographed together for first time
An incredible photo shows Earth photobombing Mars' moon Phobos. It is the first time ever the two have been captured together from the surface of Mars. NASA's Curiosity Mars rover used its Mast ...