RT @NASA_Dawn: Imagine standing in the shadow of the mountain in this crater on #Ceres go.nasa.gov/1R7lLqr http://t.co/6RGeuyCnz1
RT @NASA_Dawn: Imagine standing in the shadow of the mountain in this crater on #Ceres go.nasa.gov/1R7lLqr http://t.co/6RGeuyCnz1