The calls were coming thick and fast to a local news station. Callers claimed that a brilliant light had appeared in the night sky moments before. It hovered for a minute and then suddenly shot off at incredible speed. What was it? Some callers were certain they had the answer: a UFO -- an Unidentified Flying Object. Well, maybe it was . . . for about five minutes. After that, it would probably be an identified flying object: a comet, perhaps, or a satellite. In his book, LIGHTS IN THE SKY AND LITTLE GREEN MEN, astronomer Hugh Ross writes that...