On November 16, 1974, scientists Frank Drake and Carl Sagan, among others, sent a message from the Arecibo radio telescope, set within the community of constant name in Puerto RICO.
Their three-minute radio message—a series of exactly 1,679 binary digits (a multiple of 2 prime numbers) that can be organized in a very grid 73 rows by 23 columns—was aimed toward a cluster of stars twenty five,000 light-weight years aloof from earth.
This historic transmission was supposed to demonstrate the capabilities of Arecibo’s recently upgraded radio telescope, whose 1000-foot-diameter dish created it the biggest and most powerful within the world at the time. “It was strictly a symbolic event, to point out that we have a tendency to may mate,” aforementionedDonald campbell, Cornell University faculty member of physics, UN agency was a quest associate at the Arecibo Observatory at the time. however a number of those gift were affected to tears.
The message itself was devised by a team of researchers from Cornell University light-emitting diode by Dr. Frank Drake—the stargazer and uranologist to blame for the Drake Equation, a way of estimating the quantity of planets hosting extraterrestrial life inside the milky way galaxy. ‘‘What may we have a tendency to do this would be spectacular?’’ Drake recalled thinking. “We may send a message!’’
Written with the help of Carl Sagan, the message itself can be organized in a very rectangular grid of 0s and 1s to make a grapheme representing some basic facts of arithmetic, human DNA, planet earth’s place within the scheme, and an image of a human-like figure in addition as a picture of the telescope itself.
Since the Arecibo Message can take roughly 25,000 years to succeed in its supposed destination (a cluster of 300,000 stars within the constellation Hercules known as M13), mankind can got to wait a protracted time for a solution. however long? within the forty four years since it had been 1st transmitted, the message has traveled only 259 trillion miles, only a little fraction of the146,965,638,531,210,240 or so miles to its final destination. throughout that very same time, our understanding of the cosmos has advanced by leaps and bounds, raising hopes that somebody could also be out there, listening.
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