And after all what was a year, if the Earth did not circle the Sun?

到底如何才算一年，如果地球没有绕太阳转的话？

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Halley said that this comet traveled around the sun just like a planet did, and it took 76 years for the comet to circle the sun.

哈雷说，这颗彗星像行星一样，是围绕太阳运行的，它每绕太阳一圈大约需要76年。

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Asteroids are minor planets, most of which circle the sun in a region known as the asteroid belt, between the orbits of Mars and Jupiter.

小行星是较小的行星，它们中的大部分在火星和木星轨道间的小行星带中环绕太阳运行。

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It was the Apollo group of asteroids, which circle the sun in oblong orbits, that occasionally cross Earth's.

CNN: Planet of sound: Meteor blast resonated around Earth

His finding that the planets circle the sun underpins much of modern science.

BBC: New element named 'copernicium'

Here's the explanation: If the Earth made a perfect circle round the sun, the seasons would be almost exactly equal.

NPR: Not All Seasons Are Created Equal