Copernicus
Discoveries500-year-old compass found in Poland may have belonged to Copernicus
This rare find, made near the remains of a 16th-century canonry, could open new windows into how Copernicus studied the skies.
Rebecca Shavit
This rare find, made near the remains of a 16th-century canonry, could open new windows into how Copernicus studied the skies.
Rebecca Shavit