Asteroid Apophis is scheduled for a brief rendezvous with Earth and NASA is hoping to get a good view of the close encounter in order to prepare for potentially hazardous visits by other rocky bodies. Astronomers Could Soon Get Warnings ...
Asteroid Apophis is scheduled for a brief rendezvous with Earth and NASA is hoping to get a good view of the close encounter in order to prepare for potentially hazardous visits by other rocky bodies. Astronomers Could Soon Get Warnings ...