In 1946, Swedish and Finnish observers reported "ghost rockets" flying over Scandinavia. In the United States, they became known as "flying saucers." Historian Greg Eghigian discusses the science and culture of UFOs in the twentieth century.
📆 2017-12-12 14:11 / ⌛ 00:28:51
📆 2017-12-08 04:17 / ⌛ 00:16:47
📆 2017-12-05 04:21 / ⌛ 00:26:33
📆 2017-11-28 01:41 / ⌛ 00:40:43
📆 2017-11-21 01:22 / ⌛ 00:22:21