欧航局火星探测器欧航局火星探测器在火星发现大范围冰雪存在，揭示了火星冬季的冰雪景观。Visit WebsiteView on GitHubhttp://www.esa.int/Our_Activities/Space_Science/Mars_Express/Mars_Express_gets_festive_A_winter_wonderland_on_Mars