Illustration shows Osiris-REx departing asteroid Bennu.
NASA/University of Arizona
The University of Arizona-backed satellite is headed home after collecting soil form the asteroid Bennu. UA astronomer Dani DellaGuistina describes how it will be redirected to observe the asteroid Apophis, which is headed for an extremely close approach to Earth.
Dani DellaGuistina spoke with Tim Swindle, director of the University of Arizona Space Institute.
Illustration shows Osiris-REx departing asteroid Bennu.
NASA/University of Arizona
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