Recent observations made with THEMIS instrument onboard NASA's Mars Odyssey, currently orbiting Mars, found the spots to be as cold as the carbon dioxide (CO2) ice beneath them.
Recent observations made with THEMIS instrument onboard NASA's Mars Odyssey, currently orbiting Mars, found the spots to be as cold as the carbon dioxide (CO2) ice beneath them.
正在探索火星的火星奥德赛号探测船，最近用搭载的THEMIS相机进行的观测，发现这些暗斑和它下方的乾冰一样冷。