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We call the beginning of the universe "the big bang", this theory indicates that the universe expanded thanks to the explosion. -
The solar system was formed by the gravitational collapse of part of a giant molecular cloud. This cloud was several light-years across and probably produced several stars. -
Comets and other bodies orbiting the Sun were born from a rotating disk of dust and gas called the protosolar nebula. -
An evolutionary process of animals and plants began, about which we have little data, since the first forms of life were microscopic and then animals and soft plants (algae, worms) that did not leave fossil remains. -
The first mammals appeared at the end of the Triassic but remained in the shadow of the dinosaurs until they disappeared during the Cretaceous-Tertiary mass extinction. -
Asteroid death rather than a series of volcanic eruptions or some other global calamity has been the leading hypothesis regarding the extinction of the dinosaurs. -
The origin of the first ancestors of modern humans is located. The earliest ancestors of anatomically modern humans, 'Homo sapiens sapiens', arose in a 'homeland' in southern Africa. -
Anatomically, modern man is classified as Homo sapiens-sapiens. It appeared in the years associated with technological development. -
Stonehenge is a cromlech-type megalithic monument, in addition to other elements such as holes, moats, mounds, etc., built between the end of the Neolithic and the beginning of the Bronze Age, located near Amesbury, in the county of Wiltshire, England. -
The history of the telescope as a scientific instrument that has decisively contributed to shaping the image of the Universe that we have today began around 1609, when Galileo Galilei directed his telescope towards the sky for the first time.