Scientists Hope To Broadcast DNA and Earth's Location For Curious Aliens
Beacon of Galaxy message could be sent into heart of Milky Way, where life is deemed most likely to exist. From a report: "Even if the aliens are short, dour and sexually obsessed," the late cosmologist Carl Sagan once mused, "if they're here, I want to know about them." Driven by the same mindset, a Nasa-led team of international scientists has developed a new message that it proposes to beam across the galaxy in the hope of making first contact with intelligent extraterrestrials. The interstellar missive, known as the Beacon in the Galaxy, opens with simple principles for communication, some basic concepts in maths and physics, the constituents of DNA, and closes with information about humans, the Earth, and a return address should any distant recipients be minded to reply. The group of researchers, headed by Dr Jonathan Jiang at Nasa's Jet Propulsion Laboratory in California, says that with technical upgrades the binary message could be broadcast into the heart of the Milky Way by the Seti Institute's Allen Telescope Array in California and the 500-metre Aperture Spherical Radio Telescope in China. In a preliminary paper, which has not been peer reviewed, the scientists recommend sending the message to a dense ring of stars near the centre of the Milky Way -- a region deemed most promising for life to have emerged. "Humanity has, we contend, a compelling story to share and the desire to know of others -- and now has the means to do so," the scientists write. The message, if it ever leaves Earth, would not be the first. The Beacon in the Galaxy is loosely based on the Arecibo message sent in 1974 from an observatory of the same name in Puerto Rico. That targeted a cluster of stars about 25,000 light years away, so it will not arrive any time soon. Since then, a host of messages have been beamed into the heavens including an advert for Doritos and an invitation, written in Klingon, to a Klingon Opera in The Hague.
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