 Dawn 's arrival in a stable orbit around Ceres was delayed after , close to reaching Ceres , it was hit by a cosmic ray , making it take another , longer route around Ceres in back , instead of a direct spiral towards it . 
 Dawn <a href='null_genetive' title='1'><mark>'s</mark></a>arrival in a stable orbit around Ceres was delayed after , close to reaching Ceres , it was hit by a cosmic ray , making it take another , longer route around Ceres in back , instead of a direct spiral towards it . 
Dawn  arrival in a stable orbit around Ceres was delayed after , close to reachin Ceres , it was hit by a cosmic ray , making it take anotha , longer route around Ceres in back , instead of a direct spiral towards it .