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In the study of the universe, its origin is the moment in which all the matter and energy that currently exists in the universe arose as a result of a great explosion called the Big Bang. -
The Sun formed, like all stars, from gas and other materials that were part of a large cloud of molecules. That cloud exploded under its own gravity 4.6 billion years ago. From that same cloud comes the entire Solar System. -
Scientists have long known that the planets, comets and other bodies that orbit the Sun were born about 4.5 billion years ago from a disk of dust and gas called the protosolar nebula. -
The first forms of life that appeared on Earth about 3.5 billion years ago were single-celled. They were living beings made up of a single cell, like bacteria. -
Before the end of the Triassic, in a movement of renewal of the fauna almost simultaneously with the appearance of the dinosaurs, the first mammals, crocodiles and turtles would arrive, in addition to the pterosaurs, flying reptiles also extinct. -
At the end of the Cretaceous, 66 million years ago, a gigantic asteroid impact in Chicxulub, off the coast of Mexico, darkened the skies and cooled the planet, killing all but the birds dinosaurs. -
The creature had a protruding jaw and small holes in the ear area. According to the scientist, it is the best example so far of the ape-like human ancestor called Australopithecus anamensis. The oldest of that type dates back to 4.2 million years ago. -
Anatomically, modern man is classified as Homo sapiens-sapiens. It appeared 120,000-100,000 years ago associated with technological development. Its relationship with the Neanderthals is not clear, but it is known that it was contemporary. -
Stonehenge was built 5,000 years ago in Salisbury, England, and is considered the largest megalithic construction in the world. The construction went through several stages and lasted from 3,100 to 1,100 BC. -
The inventor of the telescope is the Dutch optician Hans Lippershey (1570-1619) in the year 1608 in Middleburg, the Netherlands. He invented a tube-shaped instrument, equipped with lenses, with which distant objects could be seen as if they were close.