Space Legends At — The Edge Of The Universe

: 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".

: 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 Space Legends At the Edge of the Universe

: 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. : As early as the 7th century BC,

: At the very edge of our visibility lies the CMB, a "relic" radiation from the hot, dense early universe. : At the very edge of our visibility