1. Extraterrestrials By Leif Becker

2. Drakes Equation Shows the large probability of other communicating civilizations in our galaxy Uses factors such as habitable planets to calculate the probability Was developed by scientist Frank Drake to express the probability of communicating civilizations in our galaxy

3. According to the Drake Equation there could be 12,500 communicating civilizations in the galaxy The number 12,500 is dependent on how long the civilization can live without destroying themselves.

4. Theories Do extraterrestrials exist? The answer is most likely, but a better question would be “have they visited earth” or “where in the universe are they”

5. Some theories include the belief that aliens built the pyramids which to me is absurd but there is a base for this discussion. Also some theories include that the Egyptians worshiped extra terrestrials as gods and you must admit that some of the hieroglyphs of gods do look like aliens even though this isn't my personal belief

6. Alien Characteristics not much is known about aliens but to be able to survive and communicate the probably would have a similar body structure to humans.

7. UFOs or unidentified flying objects have been reported all over the world with large clusters in certain areas. UFOs are usually reported as large flying discs UFOs have been reported since 329 BC UFOs