The Rings of Saturn Dr. David G. Simpson NASA Goddard Space Flight Center, Greenbelt, Maryland PART 1 I thought you might be interested in doing a poster on the rings of the planet Saturn, including some of the latest information we've learned from the Cassini mission. I can send you some basic information at first, then more details as we go along.
The Han dynasty (Chinese: æ¼¢æ; pinyin: Han hÃ n) chao chÃ¡o was the second imperial Dynasty, of china preceded By the (qinâdynasty 221) 207 bc and succeeded By The three (kingdomsâperiod 220). 280 ad
Liu Bang was hard pressed by external threats and internal strife. Both the Qin Dynasty and the Liu Bang faced invading Xiongnu tribesmen. The Xiongnu were a group of nomadic herders who had succeeded in defeating the Yuezhi and many other peoples to the north and west of the Han Empire.his divided the Han Dynasty era into three periods called the Western Han Dynasty (206â9 BC) , the Xia Dynasty (9â23 AD) , and the Eastern Han Dynasty (25â220 AD) .