The evidence of unidentified flying objects exists worldwide. There are many videos and pictures taken by professionals as well as common people. Many people around the world claim that they have seen the UFO and some suggest that some of the flying objects become invisible. Many questions arise like why they have not landed on the earth and made contact with the human beings of this planet. These questions are still unanswered. These objects cannot be filmed by using the normal camera which is commonly used by us to take photographs. In order to picture the flying objects one should use the advance type of camera technology which uses the infrared rays to tape the movement of the objects