【4K杜比視界、中英字幕】學校里沒有教你的太空知識 【4K杜比視界】太陽系中最極端的衛星（中英字幕）

This comprehensive overview explores Mercury's physical characteristics, geological history, and the missions dedicated to studying it. It details the planet's extreme environment, the discovery of its mysterious sodium tail, and the findings of the MESSENGER and BepiColombo missions regarding its molten core, volcanic past, and polar ice.