作者wrbyonex (间波)
看板sky
标题[问题] about asteroid
时间Sat Aug 22 15:06:47 2009
When Olbers discovered pallas in March 1802, the asteroid was moving from east to west relative to the stars. At what time of night was Pallas highest in the sky over Olber's observatory?
这是在课本里看到的题目,不会...
有谁可以帮忙解答吗?
谢谢
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※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.122.150.84
1F:推 mtdas:midnight 08/22 22:31
2F:→ mtdas:keyword: opposition 08/22 22:40
3F:→ wrbyonex:啊?可是他有说在oppsition时看到的吗? 08/23 11:24
4F:→ mtdas:因为它逆行呀 08/23 15:22
5F:→ wrbyonex:喔喔,了解了,谢谢你! 08/30 13:27