关于这张图
This illustration shows a concept for multiple robots that would team up to ferry to Earth samples of rocks and soil being collected from the Martian surface by NASA's Mars Perseverance rover. NASA and ESA (European Space Agency) are developing concepts for the Mars Sample Return program, designed to retrieve the rock and soil samples Perseverance has collected and stored in sealed tubes. In the future, the samples would be returned to Earth for detailed laboratory analysis. The current concept envisions delivering a Mars lander near Jezero Crater, where Perseverance (far left) collects samp…