Phobos Surveyor
... that the rovers of the planned Phobos Surveyor are known as "hedgehogs"?
... that the rovers of the planned <b id="mwC0M"><a href="./Phobos_Surveyor" id="mwC0Q" rel="mw:WikiLink" title="Phobos Surveyor">Phobos Surveyor</a></b> are known as "hedgehogs"?