June 2004 saw the first passage, known as a "transit", of the planet Venus across the face of the Sun in 122 years.

2004年6月，金星的投影穿越太阳表面，这是122年一遇的天象，被称为“凌日”。

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A transit of Venus is not nearly as spectacular as a solar eclipse, caused by the passage of the moon between Earth and the sun.

金星凌日并不像日食那么壮观，日食是由月球通过地球和太阳中间造成的。

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In 1639, the transit of Venus (its passage across the Sun's disc) was first observed by astronomer Jeremiah Horrocks.

CNN: Sunday,

The reason astronomers want to observe reflected sunlight during the transit of Venus is to test whether they can detect the faint imprint of passage of the sun's light through the atmosphere of Venus.

CNN: A transit of Venus, an age of wondrous science