It was 1504 Columbus was making another trip to the New World. Columbus and his men needed fresh water and food after three months at sea. They saw an island. On the island there were unfriendly Indians who did not give them food. Columbus and his men were afraid of the Indians, but he had a clever idea. He used the body language to tell the Indians about his mysterious (神秘的) power to turn off the light in the sky. He knew about a lunar eclipse (月蚀) the next night because the information was in his almanac (天文历书). Columbus told the Indians, "Tomorrow night I will turn off the light of the moon in the sky. "But they did not believe him. When the eclipse (月蚀) began the next night, the Indians became very frightened. The Indians begged Columbus to turn on the light again, and they quickly gave him all the food and fresh water he wanted. Immediately Columbus and his men hurried back to the ship and sailed away in the moonless night.