Title Text:The Late Heavy Bombardment was followed a few billion years later by the Comparatively Light but Oddly Specific Bombardment. Origin:https://xkcd.com/2845/ https://www.explainxkcd.com/wiki/index.php/2845:_Extinction_Mechanisms 灭绝机制 一场不那么猛烈但极有针对性的轰炸，在“后期重轰炸”过去几十亿年之后到来了。 注释： 1. Deccan Traps是印度的一个地区，译为“德干暗色岩”，有世界上最大的火成岩地形，由岩浆活动形成。 2. Late Heavy Bombardment “后期重轰炸期”，指距今约40亿… Read more