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Space

Ancient Greeks spotted Halley's comet

By Jo Marchant

8 September 2010

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

The comet was considered a bad omen in 1066

(Image: Mary Evans/Alamy)

A CELESTIAL event in the 5th century BC could be the earliest documented sighting of Halley’s comet – and it marked a turning point in the history of astronomy.

According to ancient authors, from Aristotle onwards, a meteorite the size of a “wagonload” crashed into northern Greece sometime between 466 and 468 BC. The impact shocked the local population and the rock became a tourist attraction for 500 years.

The accounts describe a comet in the sky when the meteorite fell. This has received little attention, but the timing…

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