Lost photos suggest Mars’ mysterious moon Phobos may be a captured comet in disguise
Mars’ moon Phobos could be a comet — or at least part of it — that was captured by the Red Planet’s gravity long ago, according to a new preprint study based on previously unpublished images. For years, researchers have puzzled over the origins of Phobos and its twin brother, Deimos. Some have theorized that … Read more