What does the history of baseball between Japan and the US tell us? Robert Fitts, author and baseball historian, reveals the legacy.

据位于鹿儿岛县萨摩川内市的“川内宇宙馆”馆长前田利久介绍，这是流星中亮度特别高的“火球”，是太空尘埃或小行星碎片等闯入大气层燃烧殆尽时产生的强烈发光现象。