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Hace 8 horas · Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune.It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun.It is the largest known trans-Neptunian object by volume, by a small margin, but is less massive than Eris.Like other Kuiper belt objects, Pluto is made primarily of ice and rock ...
Hace 8 horas · The researchers, lead by the University of Bristol, believe that life on Earth may have originated as early as 4.2 billion years ago - just 400 million years after the planet’s formation. There is now a consensus among scientists that all complex cellular life on Earth originates from a common ancestor known as LUCA (Last Universal Common Ancestor).
Hace 8 horas · Ancient Greece Illustration of Anaximander's models of the universe. On the left, summer; on the right, winter. The geocentric model entered Greek astronomy and philosophy at an early point; it can be found in pre-Socratic philosophy.In the 6th century BC, Anaximander proposed a cosmology with Earth shaped like a section of a pillar (a cylinder), held aloft at the center of everything.
