How to Decipher the 116 Images Hidden in Voyager Golden Record Audio 🇺🇸

Original source: Eze Martínez

This video from Eze Martínez covered a lot of ground. Streamed.News selected 4 key moments and summarises them here. Everything below links directly to the timestamp in the original video.

Voyager images aren't simple files; they're audio. Here's how to turn those sounds back into photos.

How to Decipher the 116 Images Hidden in Voyager Golden Record Audio

The Voyager 1 and 2 Golden Records carry 116 images encoded as audio signals, alongside sounds and greetings in 55 languages. Decoding instructions, etched on the record's cover, specify that each 0.008 milliseconds of audio forms an information block, and 512 blocks create one image line. The first photo, a calibration circle, confirms correct decoding.

This ingenious method turns an analog phonograph into a channel for complex visual data. The strategy assumes an intelligence capable of not just playing the record, but also interpreting technical diagrams and applying mathematical logic to reconstruct images. This makes the message a technological aptitude test for any civilization that discovers it.

"The back of the record itself contains the mechanism to decode this audio and turn it into photos."

▶ Watch this segment — 11:01

The Arecibo Message: Humanity's Binary Calling Card Sent to Space in 1974

In 1974, humanity transmitted the Arecibo Message to the Hercules star cluster, a digital pictogram of 1679 bits. This number is a semiprime, the product of 23 by 73. Arranged in a grid, these dimensions reveal the embedded information. The binary message includes numbers one through ten, DNA's chemical elements, the double helix structure, a human figure with average height, Earth's population at the time, and representations of our solar system and the radio telescope itself.

This message assumes mathematics and physics are universal languages. Basing decoding on prime number properties presents an initial logical challenge; solving it would validate a common understanding—an essential first step before any complex communication.

"We assume an extraterrestrial civilization finding this message would realize it's a semiprime number and arrange it in a 23 by 73 grid."

▶ Watch this segment — 5:27

Hydrogen Atom Transition: The Universal Key on Pioneer and Voyager Plaques

Pioneer and Voyager space probe gold plaques use a fundamental physical constant as their decoding key: the hydrogen atom's hyperfine transition. This event, where an electron's spin changes, emits a photon with a 21-centimeter wavelength and 1420 MHz frequency. These measurements, derived from the universe's most abundant element, establish a universal unit of length and time, independent of Earth's measuring systems.

This approach aims to create a cosmic 'Rosetta Stone.' The premise is that any technologically advanced civilization would recognize hydrogen's transition, enabling them to interpret the rest of the message: human scale, our solar system's location relative to 14 pulsars, and the probe's trajectory.

"Hydrogen is the most abundant atom. When it transitions, it gives this 1420 frequency. We assume we can communicate this way if it's common throughout the universe."

▶ Watch this segment — 8:15

The 'Wow!' Signal: Mysterious 1977 Message Still Unexplained

On August 15, 1977, Ohio's 'Big Ear' radio telescope detected a powerful, 72-second radio signal from the constellation Sagittarius. The signal was so anomalous and distinct from cosmic background noise that astronomer Jerry Ehman, reviewing printouts, wrote 'Wow!' in the margin. The '6EQUJ5' sequence represents the signal's intensity over time, not a code.

Since then, the 'Wow!' signal has never reappeared, becoming one of SETI's greatest enigmas. While potentially natural—like amplified neutron star radiation from a hydrogen cloud—its characteristics strikingly match an artificial, intentional transmission.

"This signal could have been generated by very strange astrophysical events... or it could have been aliens."

▶ Watch this segment — 1:13

Also mentioned in this video

• Explaining the first telegraph message of 1844 (0:01)
• Debating the 'Wow!' signal and alien intelligence (3:00)
• Space Speak: A company for sending messages to space (14:22)

Summarised from Eze Martínez · 15:52. All credit belongs to the original creators. Streamed.News summarises publicly available video content.