![Printed diagrams for atomic weights for hydrogen, carbon, nitrogen, oxygen, and sulfur, and molecular structures](https://science.nasa.gov/wp-content/uploads/2024/03/chemical-definitions-31218371762-o.gif)
Chemical definitions
The chemical definitions image is one of the pictures electronically placed on the phonograph records which are carried onboard the Voyager 1 and 2 spacecraft.
Image Credit: Frank Drake
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https://science.nasa.gov/image-detail/chemical-definitions-31218371762-o/
Image CreditFrank Drake
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