The Aricebo message: the first attempt to contact aliens 44 years ago

The 1974 Arecibo Message is a three-minute long missive made up of exactly 1,679 binary digits. Today's Google Doodle honours humankind's first attempt at communication with intelligent life beyond our planet and in attempt to communicate with them Arecibo Message was sent out from Earth. The aim of the binary digits is that when arranged in a specific way, they can briefly explain human existence to extraterrestrials. The Aricebo message was to demonstrate the power of the Aricebo telescope and its capabilities.

The Arecibo message-interstellar radio message- was sent into space, encoded with several information about humanity so that extraterrestrial intelligence could receive and decipher it.

The message included representations of the fundamental chemicals of life, the formula for DNA, a crude diagram of our solar system and pictures of a human being and the Arecibo telescope.

#The atomic numbers of the elements hydrogen, carbon, nitrogen, oxygen, and phosphorus, which make up deoxyribonucleic acid (DNA). Drake recalled thinking. "We could send a message!"

The letter was devised by a team of researchers from Cornell University and led by astronomer and astrophysicist Dr Frank Drake.

© GoogleShould we expect a response?

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Watch the video of the world's largest radio telescope, Arecibo Observatory.

This historic transmission was meant to demonstrate the capabilities of Arecibo's recently upgraded radio telescope, whose 1000-foot-diameter dish made it the largest and most powerful in the world at the time, Google said.

Since the Arecibo Message will take roughly 25,000 years to reach its intended destination - a group of 300,000 stars known as M13 - humankind will have to wait a long time for an answer, Google said.

So far, the message has travelled 259 trillion miles, leaving 146,965,638,531,210,240 or so miles to go, although scientists never expected it to reach its final destination.

"It was a strictly symbolic event, to show that we could do it", Cornell University professor Donald Campbell was quoted as saying in an Independent report.

However, with the advent of science and space technology, our understanding of the cosmos has advanced by leaps and bounds, raising hopes that someone may be out there, listening.

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