This chart illustrates how NASA's Curiosity rover talks to Earth. While the rover can send direct messages, it communicates more efficiently with the help of spacecraft in orbit, including NASA's Odyssey and MRO, and European Space Agency's Mars Express.

This chart illustrates how NASA's Curiosity rover talks to Earth. While the rover can send direct messages, it communicates more efficiently with the help of spacecraft in orbit, including NASA's Odyssey and Mars Reconnaissance Orbiter, and the European Space Agency's Mars Express.

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