ABCs of Space: Explore Astronomy, Space, and our Solar System with this Essential STEM Board Book for Kids (Science Gifts for Kids) (Baby University);

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―to a new astronomical concept for every letter of the alphabet. Written by an expert, each page in this cosmic primer features multiple levels of text so the book grows along with your little astronomer.
Also in the Baby University Series:
ABCs of Science
ABCs of Physics
Astrophysics for Babies
Baby University: It only takes a small spark to ignite a child's mind.