Life on Other planets. Essay
Mars is a very similar planet to earth in relation to size and atmosphere. Therefore it seemed like the most likely place to search for life. At the end of the 19th century, an American named Percival Lowell built …show more content…
People however think it would be more fascinating to discover intelligent life elsewhere. The Search for Extra-Terrestrial Intelligence project (SETI) has been running for several decades, but has not yet found any concrete evidence that intelligent beings truly exist outside of Earth.
Earth is constantly sending radiation into space. All broadcasting stations produce radio waves. These waves spread from a transmitter, and many of these end up in space, travelling away from us at the speed of light. It is very possible that, if there is intelligent life capable of producing these same signals, we will be able to pick them up. It is just as likely that they will deliberately send out signals that we will be able to receive, and will convince us of extra-terrestrial intelligence. The SETI project has been using radio telescopes since the 60's, but has had no positive results yet.
The SETI project began in 1959 when Philip Morrison and Guiseppe