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Space.com - NASA Reinstates Cancelled Asteroid Mission
NASA’s once-canceled Dawn mission to visit a pair of asteroids has been reinstated following a mission review, space agency officials said Monday.
NASA initially canceled the Dawn mission, which calls for an ion-powered spacecraft to visit two large asteroids, earlier this month only to reverse that decision, which drew ire and opposition from planetary scientists at this month’s 37th Lunar and Planetary Science Conference (LPSC).
After an in-depth study of the cost overruns and technical challenges plaguing Dawn’s development, NASA officials concluded that the mission should proceed towards a summer 2007 launch target.