Virtual flying lessons for Hera asteroid mission

As ESA’s Hera spacecraft for planetary defense goes through pre-flight testing, the system that will steer it around its target binary asteroid system is also undergoing its final checks for space. As ESA’s Hera spacecraft for planetary defense goes through pre-flight testing, the system that will steer it around its target binary asteroid system is also undergoing its final checks for space. Space Exploration Planetary Sciences Phys.org – latest science and technology news stories