ESA - European Space Agency on Instagram: "Did you know we almost had a second moon? 🌚 In 2016, scientists spotted Kamo’oalewa ,a 40 to 100 metre object, during a planetary defence survey to discover space rocks that could possibly hit our planet. At first, the object appeared to orbit Earth in a similar way to our Moon. But astronomers found it was actually orbiting the Sun on a very similar path to Earth. So, Kamo’oalewa was demoted from a potential new moon to a near-Earth asteroid and a qua

Las imágenes de la sonda china Tianwen-2 aproximándose al asteroide Kamo’oalewa