I wonder why stars twinkle and other questions about space

Description:

Answers questions about space such as, "Are stars star-shaped," "Which is the coldest planet," and "What is a black hole."

subjects: Miscellanea,  Astronomy,  Juvenile literature,  Space sciences,  Questions and answers,  Stars, juvenile literature,  Stars,  Outer space, juvenile literature,  Outer space,  Astronomy, juvenile literature,  Children's questions and answers

Places: Outer space