在该爆发的X射线信号被探测到1.1小时后,南非的ATLAS望远镜探测到其快速衰减的光学对应体。后续通过夏威夷的双子星北望远镜(Gemini-North telescope)和智利的甚大望远镜(the Very Large Telescope)的观测,确认这个爆发源自遥远的早期宇宙。该爆发发生时宇宙年龄仅 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.