article_snippet: These spots are in a 57-mile wide (92 kilometer) crater.
article_snippet: The spot in the center of a 57-mile wide (
article_snippet: 92 kilometer) crater is about twice as bright as the spot on the side of a 57-mile wide (92 kilometer) crater.
article_snippet: We see smooth areas, some areas that are chaotically fractured and we see craters of all sizes.
article_snippet: Scientists say there could be many more of these small worlds that haven't been discovered.
article_snippet: That's about 10 times closer than the moon is to the Earth," he said.