> This little guy has a width less than the length of Manhattan, so I was surprised to hear it being called a moon. Phobos and Deimos are far smaller. http://

> This little guy has a width less than the length of Manhattan, so I was surprised to hear it being called a moon. Phobos and Deimos are far smaller. http://en.wikipedia.org/wiki/Phobos_(moon) http://en.wikipedia.org/wiki/Phobos_(moon) http://en.wikipedia.org/wiki/Deimos_(moon) http://en.wikipedia.org/wiki/Deimos_(moon)