asteroid Apophis
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NASA's Osiris-REX Could Make A Second Stop At Planet-Killer Asteroid Apophis Before Chilling 2029 Earth Flyby
Before Apophis makes a close approach to Earth in 2029, scientists are considering whether the OSIRIS-Rex probe should make a short trip on the infamous asteroid. 
Before Apophis makes a close approach to Earth in 2029, scientists are considering whether the OSIRIS-Rex probe should make a short trip on the infamous asteroid.
