ESA plans mission to smallest asteroid ever visited
Monday, February 4, 2019 - 02:50
in Astronomy & Space
ESA’s planet-defending Hera mission will set a new record in space. The asteroid investigator will not only be the first spacecraft to explore a binary asteroid system – the Didymos pair – but the smaller of these two worldlets, comparable in size to Egypt’s Great Pyramid of Giza, will become the smallest asteroid ever visited.