Hera Asteroid Probe Spots Mysterious Martian Moon During Flyby
ESAs Hera mission scientist Michael Kueppers said in astatement. Mars has two moons, Phobos and Deimos. Deimos is a tiny little guy, measuring a mere 7.7 miles (12.4 km) across. Mars and Deimos as viewed by Hera’s hyperspectral imager.© ESA It completes one orbit around Mars every 30 hours. Heras target binary asteroid system is much smaller than Deimos. Ground-based observations alone are not enough. A stunning view of Deimos, as captured by Hera....