When scientist visit the moon for short periods, they eat and sleep in the moon base. “A space motel!” said Annie. “I guess,” said Jack. He read more. The small base has a landing chamber and a room for storing spacesuits. Air and temperature controls make breathing possible. “So that’s why we can breathe,” Jack said. “Let’s explore,” said Annie. “We have to find the fourth thing for Morgan.” “No, first we should study this map,” said Jack. He pulled it,” said Annie