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Sunday 25 January 2015

The Challenge of the Planets, Part Three: Gravity

The Challenge of the Planets, Part Three: Gravity

It is strange that Lexell’s Comet is not better remembered. Discovered by ace comet-hunter Charles Messier on the night of 14 June 1770, it passed Earth just two weeks later at a distance of 1.4 million miles, closer than any other comet in history. On the evening of 1 July 1770, its nucleus shown as […]


The post The Challenge of the Planets, Part Three: Gravity appeared first on WIRED.




















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