https://sb2019.samweber.biz/story.php?title=%E7%BD%91%E5%8F%8B%E7%82%B9%E8%AF%84-dm67%E9%BB%84%E9%87%91%E7%8F%A0%E5%AE%9D%E7%8E%B0%E8%B4%A7%E6%89%B9%E5%8F%91%E5%95%86%E5%9F%8E-23 This thing takes 250 million years to turn once. The last time we were on this side, the dinosaurs were just emerging! So get outside and look up. Think of the sky as our ultimate environment. Wed, 15 Jan 2020 17:12:31 UTC en