These perfect little balls were found by miners at the Wonderstone Silver Miner in Ottosdal (South Africa). More than 200 small spheres were found here. Each has a diameter of 1 to 4 cm.

The spheres are made of a nickel-steel alloy, which certainly does not occur naturally on Earth. According to the surrounding layers in which the objects were found, the spheres are dated to more than 3 billion years.

Some spheres have a very thin shell, and if one breaks, there's something like a sponge-like material inside, but it quickly breaks into dust in the air.

The sphere is owned by Roelf Marx, curator of the South African Klerksdorp Museum, and they are a great mystery to him. Nobody knows how the bikes were made or where their origin is.

Some of the spheres were re-measured by the curator at NASA to verify that they were created with such accuracy that can only be achieved in a weightless state.

There are witnesses who saw spheres spontaneously rotate in the showcase - including the curator himself. (Let's recall a similar case with the statue of the Egyptian god Osiris.)

Source: Facebook