Eclipses have amazed and terrified people for thousands of years. The sky grows dark. Daytime animals go to sleep and nocturnal animals wake up. Roosters crow a

Eclipses have amazed and terrified people for thousands of years. The sky grows dark. Daytime animals go to sleep and nocturnal animals wake up. Roosters crow a

Ears sit on opposite sides of our head. They are flappy bits of skin that stick out. Sometimes we decorate them with piercings. Ears are our own little satellit

Earth is one of eight planets orbiting around our sun. Our sun is one of billions in our galaxy, and our galaxy is one of billions in the universe. Our galaxy i

Our galaxy contains about 200 billion stars. Astronomers believed that some of these stars must have solar systems with planets. They went looking – and found