0646名無しさん@英語勉強中 (ワッチョイ bf3a-CeLW)垢版2019/03/04(月) 01:53:36.19ID:pFbgTlWy0 >>645 I assume it's referencing these dust clouds hovering between the earth and moon: https://www.mnn.com/earth-matters/space/blogs/evidence-ghost-moons-around-earth