We Sent a Message to Aliens - And Scientists Regret It
Back in 1974, scientists gathered at the giant Arecibo radio telescope in Puerto Rico and decided to do something bold—beam a cosmic postcard into space. It wasn’t just “hi, we’re Earth,” it was a detailed message packed with math, DNA, and even a sketch of what humans look like. The goal? To reach any intelligent life out there who might be listening. But here’s the twist: decades later, some scientists are asking if that was reckless—what if we just gave our address to the wrong neighbors? This video takes you deep into the story of the Arecibo Message, why we sent it, and why some experts regret it today. It’s a science mystery with a side of “oops.”Credit:
The Hitchhiker's Guide to the Galaxy / Touchstone Pictures
3 Body Problem / Netflix Studios
Star Wars: Episode I - The Phantom Menace / Lucasfilm
Battleship / Universal Pictures
Love, Death & Robots / Blur Studio
Oblivion / Universal Pictures
Paul McCartney: The Space Within Us / Mark Haefeli Productions
Doom / John Wells Productions
Stephen Hawking: by NASA https://commons.wikimedia.org/wiki/File:NASA_Honors_Legacy_of_Renowned_Astrophysicist_Stephen_Hawking.webm
Madrid Deep Space Communications Complex: by NASA https://www.mdscc.nasa.gov/index.php/en/dss-63-2/
Magnetar's Hot Spots: by NASA's Scientific Visualization Studio - KBR Wyle Services, LLC/Scott Wiessinger, University of Maryland College Park/Francis Reddy, KBR Wyle Services, LLC/Krystofer Kim, George Washington University/GSFC/George Younes https://commons.wikimedia.org/wiki/File:NASA%27s_NICER_Tracks_a_Magnetar%27s_Hot_Spots_(SVS14115_Merging_Magnetar_HotSpots_1080_Best).webm
First Star-destroying Black Hole: NASA Goddard https://commons.wikimedia.org/wiki/File:TESS_Catches_its_First_Star-destroying_Black_Hole_85tdoDt1Qh0.webm
CC BY 4.0 https://creativecommons.org/licenses/by/4.0/deed.en
Frank Drake at Cornell: by Amalex5 https://commons.wikimedia.org/wiki/File:Frank_Drake_at_Cornell,_October_2017.jpg
Ohio State University Radio Telescope: by Ivan Rokva https://commons.wikimedia.org/wiki/File:%D0%A0%D0%B0%D0%B4%D0%B8%D0%BE%D1%82%D0%B5%D0%BB%D0%B5%D1%81%D0%BA%D0%BE%D0%BF_%D0%A3%D0%BD%D0%B8%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%82%D0%B5%D1%82%D0%B0_%D0%9E%D0%B3%D0%B0%D0%B9%D0%BE.jpg#/media/File:%D0%A0%D0%B0%D0%B4%D0%B8%D0%BE%D1%82%D0%B5%D0%BB%D0%B5%D1%81%D0%BA%D0%BE%D0%BF_%D0%A3%D0%BD%D0%B8%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%82%D0%B5%D1%82%D0%B0_%D0%9E%D0%B3%D0%B0%D0%B9%D0%BE.jpg
Paranal Observatory Compilation: by ESO https://commons.wikimedia.org/wiki/File:Paranal_Observatory_Compilation_2017.webm
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