主演：Shep Doeleman Andrew Strominger Malcolm Perry Sasha Haco Gopal Narayanan Lindy Blackburn Gisela Ortiz León Antonio Hernández-Gómez David Sanchez Janna Levin Ramesh Narayan Lydia Patton Laura Ruetsche Jim Weatherall Heino Falcke Dimitrios Psaltis Feryal Oz
简介：Black holes stand at the limit of what we can know. To explore that edge of knowledge, the Event Horizon Telescope links observatories across the world to simulate an earth-sized instrument. With this tool the team pursues the first-ever picture of a blac
简介：核试验科教记录片。是自人类发明原子弹、氢弹以来的各种核爆炸记录，采访了许多美国参与核试验的专家，非常珍贵的第一手资料。著名的“小男孩”（广岛）和“胖男人”（长崎）就在这里，不可不看！ On July 16, 1945, at a site called Trinity, a plutonium bomb was assembled and broug