Caves of Hercules which passes under the Strait of Gibraltar and emerges at St. Michael's Cave in Gibraltar. Legend has it that the Barbary macaques entered the Rock of Gibraltar from Morocco this way. Mythological tradition also holds that the Roman god Hercules stayed and slept in this cave before doing his 11th labour, which was to get golden apples from the Hesperides Garden, which some ancient Greek writers said was located nearby at Lixus. According to some Roman sources, while on his way to the garden of the Hesperides, Hercules had to cross the mountain that was once Atlas. Instead of climbing
Ultimate fate of the universe beginning. Observations made by Edwin Hubble during the 1920s–1950s found that galaxies appeared to be moving away from each other, leading to the currently accepted Big Bang theory. This suggests that the universe began–very small and very dense–about 13.8 billion years ago, and it has expanded and (on average) become less dense ever since. Confirmation of the Big Bang mostly depends on knowing the rate of expansion, average density of matter, and the physical properties of the mass–energy in the universe. There is a strong consensus among cosmologists that the universe is "flat" (see Shape of the universe) and will