有谁研究了金星穿日的时间了
在加拿大 几点看最合适阿，好像gazette上说6点多？The similarities and contrasts between the two worlds have fascinated astronomers for centuries and these will once again come into focus over Montreal Tuesday at 6:03 and 6:21 p.m. in the...华人论坛
在加拿大 几点看最合适阿，好像gazette上说6点多？The similarities and contrasts between the two worlds have fascinated astronomers for centuries and these will once again come into focus over Montreal Tuesday at 6:03 and 6:21 p.m. in the...华人论坛