A Sun, a Moon, and a Fight Over a Thousand Years

In a hotel bar in Basel, Switzerland, on February 23, 2002, museum director Harald Meller stalled for time. He'd come to buy a looted Bronze Age hoard from two antiquities dealers for 700,000 Deutschmarks, and one seller had the centerpiece taped to his stomach under a towel. Meller staged a fake authenticity test with a chemist's testing liquid, excused himself to the restroom, and called the police. When he sat back down, detectives moved in.

The object under the towel was a bronze disc the size of a dinner plate, its corroded green surface inlaid with gold: a full circle for the sun or moon, a crescent for the other, and a scatter of small gold dots, including one tight cluster of seven widely read as the Pleiades. Two and a half years earlier, two unlicensed treasure hunters had dug it out of a hillside near Nebra with a fire-fighter's pickaxe, chipping its rim and losing at least one star. They sold it that same day for 32,000 Deutschmarks. It passed through two more sets of hands before Meller's sting brought it home.

Archaeologists couldn't date the disc itself, since no lab test dates bronze or gold directly, so they dated what had allegedly been buried with it: two swords, two axes, arm-spirals, and a chisel, recovered from the site the following August. Birch bark packed into a sword's hilt radiocarbon-dated to 1600–1560 BCE. The disc's corrosion was consistent with the same age. As a check against modern forgery, its bronze carried no trace radioactivity, ruling out anything cast after 1945. Two gold arcs added later mark the angle between summer- and winter-solstice sunsets at the site's latitude, correctly, to the degree.

That case made the Nebra disc, by the museum's own account, the oldest known concrete image of the sky. It held until 2020, when two archaeologists said the dating rested on evidence that couldn't bear the weight.