Halley was aware that the AU was one of the most fundamental of all astronomical measurements.

哈雷知道，天文单位是所有天文学测量中最基本的。

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Halley realised that Mercury was so far away that its parallax angle would be very difficult to determine.

哈雷意识到水星离地球如此之远，以至于很难确定它的视差角。

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In November 1677, Halley observed a transit of the innermost planet, Mercury, from the desolate island of St Helena in the South Pacific.

1677年11月，哈雷在南太平洋荒凉的圣赫勒拿岛上观测到了水星（最靠近太阳的行星）的凌日现象。

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The next Royal Astronomer, Edmund Halley, spent another forty years gathering information about the moon's orbit.

VOA: special.2010.07.14

Newton immediately gave Halley the answer: an egg-shaped path called an ellipse.

VOA: special.2011.06.01

Meanwhile, two threadbare local filmmakers (Halley Feiffer and Hector Jimenez) also get hold of the property.

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In particular, the Halley family, Carrefour's largest shareholder, has become dissatisfied with Mr Bernard's management.

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But Elliott Whitehead, Brett Kearney (2), Dave Halley and Paul Sykes wrapped up the Bulls' comprehensive victory.

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