guest Moderator 管理成员 注册 2002-10-07 消息 402,422 荣誉分数 76 声望点数 0 2012-06-05 #1 The Canada Science and Technology Museum is hosting a free star-gazing session Tuesday evening where people can watch as Venus passes in front of the sun, a rare eclipse that won’t happen again until 2117. 更多...
The Canada Science and Technology Museum is hosting a free star-gazing session Tuesday evening where people can watch as Venus passes in front of the sun, a rare eclipse that won’t happen again until 2117. 更多...
