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European spacecraft got rare close-up of Mars' lesser-known moon
A European spacecraft on a journey to study NASA's asteroid crash site did a quick pop-in of Mars on its way, capturing unprecedented images of Mars' lesser-known ... The European Space Agency is ...
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Tiny Mars moon Deimos gets a rare close-up, thanks to Europe's Hera asteroid probe (photos)
The results of Hera's flyby could ultimately tell us whether Deimos is a captured asteroid or made from debris from a giant ...