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行星重力的后牛顿近似对卫星作用的估计 被引量:2
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作者 钟鸣乾 《物理学报》 SCIE EI CAS CSCD 北大核心 2001年第12期2497-2500,共4页
将行星重力的广义相对论后牛顿近似应用于木星系统和撞击木星的彗星Shoemaker Levy 9,计算了木星重力的后牛顿改正和它的卫星的进动效应 ,并与地球 月球系统作比较 。
关键词 重力 后牛顿近似 木星 卫星 彗星 shoemaker-levy9 广义相对论 行星 估计 太阳系 进动效应 地球-月球系统
原文传递
Time of impact of fragment P2 of comet SL 9 on Jupiter
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作者 ZHOU Hongnan,QIAN Bochen, HUANG Keliang and LI Qibin1. Department of Astronomy, Nanjing University, Nanjing 210093, China 2. Shanghai Observatory, Chinese Academy of Sciences, Shanghai 200030, China +1 位作者 3. Physics Department, Nanjing Normal University, Nanjing 210097, China 4. Beijing Astronomical Observatory, Chinese Academy of Sciences, Beijing 100080, China 《Chinese Science Bulletin》 SCIE EI CAS 1997年第5期396-398,共3页
FROM 1994-07-16 to 1994-07-22, 21 fragments of comet SL 9 impacted against Jupiter in succession. During the impact period the impact of fragments D, E, K, N, P2 and S was observed in China. We used a 1.56-m telescope... FROM 1994-07-16 to 1994-07-22, 21 fragments of comet SL 9 impacted against Jupiter in succession. During the impact period the impact of fragments D, E, K, N, P2 and S was observed in China. We used a 1.56-m telescope with the CCD camera of Shanghai Observatory to monitor Jupiter and its Galilean Satellites, obtaining 1000 high-quality images at B, V, I wave bands. Our data on optical wave bands are rather complete and valuable in the world. Specially, we got some images of Jupiter, Io and Europa in the impact time of fragment P2 impacting against Jupiter. This will help us understand the precise time, position, depth and energy of the P2’s collision. In this note, we report the impact time of fragment P2 of comet SL 9 and Jupiter. Since the impact of comet SL 9 was expected to take place on the side of Jupiter 展开更多
关键词 COMET COMET shoemaker-levy 9 impacting against JUPITER IMPACT time.
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