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'Extraordinary' timber circle discovered in Denmark is roughly the same age as Stonehenge
Archaeologists in Denmark have discovered the remains of a large timber circle that may be contemporaneous with England's ...
‘Ghosts of the radio universe’: astronomers have discovered a slew of faint circular objects
The ghostly ring Kýklos (from the Greek κύκλος, circle or ring) and the object WR16 both show the environment of rare and ...