Runyon calls her book's illustrations “tactile graphics,” and thanks to funding from NASA's Solar System Exploration Research Virtual Institute, she has shipped 11,000 of them to schools ...

The size of the solar system is defined by the volume of space over which the sun’s influence exceeds those of other nearby stars in the Milky Way galaxy.

She calls its pages “tactile graphics,” and thanks to funding from NASA's Solar System Exploration Research Virtual Institute, she has shipped 11,000 of them to schools, libraries and other ...