: As early as the 7th century BC, the Babylonians mapped the world as a disc surrounded by "bitter waters," beyond which lay seven mystical lands. These regions were described as the place "where the winged bird ends not his flight".
Throughout history, civilizations have populated the perceived "edges" of the world with legends and monsters. Space Legends At the Edge of the Universe
: In Finnish mythology, the world's edge was known as Lintukoto ("home of the birds"), a warm, paradise-like region where birds traveled for the winter along the Milky Way. 2. Scientific "Legends": Defining the Cosmic Edge : As early as the 7th century BC,
Modern science replaces monsters with abstract boundaries that define the limits of human knowledge. : In Finnish mythology, the world's edge was
: The "edge" of our universe is not a physical wall but a limit of information. Because light takes time to travel, we can only see objects within a bubble roughly 93 billion light-years in diameter.