Did you know....? The Sun is so big you could fit more than 1 million earths inside of it! It would take 100 years, driving 100 miles per hour, to get to the sun from earth! The Sun is 4.6 billion years old! With Ariel deJesus Santana's wonderful illustrations, author, Josselin Budd, carefully explains some amazing facts about the sun in The Sun is Not a Yellow Balloon. With her kid friendly style your child will have so much fun, she won't even know she's learning.