NASA’s Psyche spacecraft uses Mars as a giant slingshot toward a mysterious metal world

NASA's Psyche spacecraft has successfully completed a close flyby of Mars, using the planet's gravity to gain speed and redirect its path toward the asteroid Psyche. On May 15, the spacecraft passed within 2,864 miles (4,609 kilometers) of the Martian surface, receiving a crucial gravitational assist without using additional onboard fuel.

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