Actual gravitational lenses tend to be much more complicated, and can be made up of clusters of hundreds of galaxies. (newscientist.com)
I found my own cover artist and his work is awesome, though it did cost a couple of hundred of dollars to get done but I love the cover. (hubpages.com)
We had 109 people out of hundreds of thousands of travelers and all we did was vet those people very, very carefully. (sbnation.com)