On Nov. 16, 1974, a group gathered at Arecibo Observatory in the rainforest interior of Puerto Rico, there for a reopening celebration after upgrades to the facility. After the requisite speeches, scientists used the radio telescope to send what would be known as the Arecibo message: 1,679 bits of data in 73 lines, each 23Continue reading “Nov. 16, 1974: Arecibo sends a message”
The post Nov. 16, 1974: Arecibo sends a message appeared first on Astronomy Magazine.
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