transit of Venus

in fact, it might be said that the best reason to watch a transit of venus is james cook .

事实上，可能观看金星凌日的最好理由是为了库克。

we're talking about the transit of venus.

我们正在谈论的是，金星凌日。

because a transit of venus is barely visible to the naked eye, for most of history humans went about their lives oblivious to such events.

因为金星凌日很难用肉眼看见，在人类历史上大部份的时期，人们都不知道有这样的事情。

the next transit of venus will take place on dec.

下一次金星凌日将发生在2117年12月11日。

so what does the june 2004 transit of venus mean to you?

那么2004年六月的金星凌日对你的影响如何呢？

the u. s. naval observeatory in washington, d. c. , sent eightexpeditions throughout the world to observe the transit of venus in1882.

位于华盛顿哥伦比亚特区的美国海军天文台，于1882年派遣8支远征队遍布世界各地观测金星的轨迹。

observations of this year's transit of venus could help researchers calibrate the instruments for making these breakthroughs .

今年金星凌日的观测能帮助研究人员校准仪器，以便得到这些重大突破。

young people watching the transit of venus in 2004, using approved solar filters.

2004年年轻人使用经过审批合格的太阳滤镜在观测金星凌日。

Astronomy enthusiasts across China will be blessed to see on a spectacular transit of Venus on the morning of June 6, the last such astronomical phenomenon in the century, Yangcheng Evening News reported.

据《羊城晚报》报道，天文爱好者可以在6月6日上午一饱眼福，观测到本世纪最后一次金星凌日。

observe the transit of venus, eg across the sun.

观测金星之凌日。

it was worth the risk, he figured, to observe a transit of venus.

能观察到金星凌日，这趟冒险就是值得的，他说。

the best reason to watch the 2004 transit of venus is history.

观测2004年金星凌日的最好理由是历史。

A transit occurs when a planet passes directly between the sun and the Earth; therefore the planet, in this case Venus, becomes visible and hence obscures a small portion of the solar disk.

凌日是指行星（本次是金星）运行至太阳和地球之间，因此可以观测到太阳圆盘上有一个小黑点。

the royal astronomical society: the transit of venus

皇家天文学会：金星凌日