Bilingual edition: English is preserved and Chinese follows each unit. Terminology uses the confirmed v20260916 glossary; automated semantic review remains traceable.
中英双语版：英文原文完整保留，中文紧随对应单元；术语采用 v20260916 确认表，自动语义审校结果可追溯。

Venus Transit of the Sun

金星凌日

The planet Venus made a rare transit in front of the Sun on June 5, 2012 and was imaged by a large variety of telescopes and cameras. The transit time was 6hr 40min. The next such transit will be in 2117. The images below are credited to NASA.

Venus data
金星数据
金星在2012年6月5日罕见地掠过太阳，被各种望远镜和相机拍摄到。这次凌日持续了6小时40分钟。下一次这样的凌日将在2117年发生。下面的图片由NASA提供。
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Solar System Concepts

Venus Concepts
索引 太阳系概念 金星概念
 
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