pioneer plaque
常见例句
- In March 1972, a plaque he designed with legendary astronomer Carl Sagan was blasted into space on board the Pioneer 10 spacecraft. ( Click here to see the Pioneer Plaque.) A few years later, Drake and Sagan would team up again on a much more ambitious project, attaching a gold-plated record full of music and photos onto the two Voyager probes.
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