Find answers to 70 questions about space, including: • How are planets different from stars? • Why don't we feel Earth moving? • How hot is the sun? • What makes the seasons on Earth? • Why does the moon change its shape from night to night? • Is there life elsewhere in the universe?... and more! This book answers a universe of questions about stars, constellations, Earth and other planets, comets, meteors, and other space topics.