The Arecibo Message Decoded

The Arecibo message was humanity’s most powerful attempt at messaging aliens. Let’s decode it! Get your SPECIAL OFFER for MagellanTV here: It’s an exclusive offer for our viewers! Start your free trial today. MagellanTV is a new kind of streaming service run by filmmakers with 3,000 documentaries! Check out our personal recommendation and MagellanTV’s exclusive playlists: ​. In 1974, the Arecibo radio telescope transmitted a message to contact extraterrestrials. The message was designed by Frank Drake. Here’s what it says. 00:00 Start 01:40 Magellan TV 02:35 History of the message and M13 04:35 How the message was sent 05:26 Message Structure 06:30 Decoding the first 10 numbers from binary 08:20 Atomic elements and DNA 09:41 Depiction of humanity and population 10:51 Depiction of Arecibo 11:36 Testing the message and dangers 14:00 We’re disappearing