Mercury's silhouette as it passes between Sun and Earth

十一月 9, 2006

Paris, 8 November 2006

Mercury's silhouette on 8 November

http:///www.esa.int/export/esaCP/SEMPIC0C YTE_index_0.html

European Space Agency
http:///www.esa.int/export/esaCP/index.ht ml

请先注册再继续

为何要注册？

  • 注册是免费的，而且十分便捷
  • 注册成功后，您每月可免费阅读3篇文章
  • 订阅我们的邮件
注册
Please 登录 or 注册 to read this article.
ADVERTISEMENT