“Look!” Annie cried cried, laughing. She bounded past Jack-almost flying through the air. She landed on her feet. Then she jumped again. “I’m a moon rabbit,” she jumped. How does she do that? He wondered. He turned a page and read. A person weighs less on the moon because of the moon’s low gravity and lack of air. If you weigh 60 pounds on Earth, you would only weigh 10 pounds on the moon. “Don’t just stand there reading!” said Annie, grabbing the book from Jack’s gloved hand. She tossed it into space. It flew far away. Jack started after it. He bounded up and down