Copernicus' lost compass is FOUND after 500 years: Instrument discovered in a castle in Poland is thought to have belonged to the astronomer who proposed that the planets orbit the Sun
A 500-year-old compass thought to have belonged to astronomer Nicolaus Copernicus has been found in a castle in Poland. The compass, made of copper-alloy, was found by amateur archaeologists, who used a ground-penetrating radar to comb the grounds of the 14th century Frombork castle in the north of the country. It was from there that the astronomer made most of his important celestial discoveries and perfected his heliocentric theory that the sun is at the centre of the universe, not the Earth.
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