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Google doodle celebrates 44th anniversary of Arecibo Observatory's radio message to inter-stellar intelligent life
Internet search engine and technology giant Google celebrates with a doodle the first attempt of humans at Arecibo Observatory of Puerto Rico to communicate with intelligent life beyond the Earth on November 16 forty four years ago.

The first ever interstellar message was transmitted through the radio telescope at Puerto Rico to contact the intelligent life in deep space to other star clusters.  The attempts and wait are still on with Arecibo's upgraded radio telescope for the response.

It is said that first radio message was of three-minute duration consisting of a series of exactly 1,679 binary digits which could be arranged in a grid 73 rows by 23 columns. The message that time was beamed towards a cluster of stars called M-13, which is about 25,000 light years away from our planet. The message was created by the lead scientists Dr Frank Drake and Carl Sagan, among a few others.

Arecibo's megawatt transmitter was attached to its 305 meter antenna then. However, recently it has been upgraded and the dish has been made largest and most powerful in the world for contacting interstellar intelligent life.

According to Google, in the last 44 years since the message was first transmitted, the message has travelled only 259 trillion miles, only a tiny fraction of the 146,965,638,531,210,240 or so miles to its final destination.

 We would have to wait for several generations to receive back the message if intelligent life existed elsewhere and able to decipher our message.

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