A Message From Earth

A Message from Earth is a high-powered digital radio signal that was sent from Earth towards Gliese 581 c. Gliese 581 c is a large terrestrial extrasolar planet, and the signal was sent due to the possibility of the planet containing lifeforms. The signal was sent on 9 October 2008. It contains 501 messages that were selected through a competition on the social networking site Bebo.
The message was sent using the RT-70 radar telescope of Ukraine's National Space Agency. The signal will reach the planet Gliese 581 c in early 2029.