Twinkle, Twinkle, Little Star I know exactly what you are. Opaque ball of hot dense gas, million times our planet's mass, looking small because you're far I know exactly what you areWritten by an expe
Simple explanations of complex ideas for your future genius!Written by an expert, Astrophysics for Babies is a colorfully simple introduction to the study of how physics and chemistry affect heavenly
This alphabetical installment of the Baby University series is the perfect introduction for even the youngest astronomers!The ABCs of Space is a colorfully simple introduction for babies—and grownups—