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NASA sending space robot to asteroid worth 'more than global economy'
NASA is preparing to send a groundbreaking space robot to an asteroid claimed to be worth more than our global economy.
Plans to send the "Psyche" aircraft to a 140-mile wide asteroid called "16 Psyche" have been under way for some time.
But this week, it has passed a major milestone in NASA's bid to launch the robot in August 2022.
It has passed a critical design review meaning everyone is satisfied it will work as expected.
Once it gets there, it will explore the metal-rich asteroid that boasts iron, nickel and gold.
It could even be the core of dead planet that lost its outer layers.