Inspired by Halley's suggestion of a way to pin down the scale of the Solar System, teams of British and French astronomers set out on expeditions to places as diverse as India and Siberia.
受哈雷提出的确定太阳系大小的方法启发，英国和法国天文学家团队开始在印度和西伯利亚等地考察。
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There are some risks ahead, said the authors, including experts from Belgium, Brazil, Canada, Germany, India, Spain and the U.S., although the majority of them are French.