“Watch it. No goofing off,” he said. “We don’t want to fall over in these suits.” “Jack go-go!” said Annie. She pushed him out of the room. They walked back to the airlock. “Ready?” said Annie “Open sesame!” She pressed the OPEN button. A door slowly said closed behind them. A door opened in front of them. And Jack and Annie stepped out onto the moon. “Oh, wow!” said Annie. She took a step forward. But Jack a stood frozen. He wanted to get a good look at everything first. He stared at the ground. He was standing in a layer of gray dust as fine as powder. Footprints were everywhere. Jack wondered who had made them