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Alien asteroid: Space rocks ‘of interstellar origin’ inhabit Solar System

Publicado em 23 julho 2020
Asteroid experts at São Paulo State University’s Institute of Geosciences and Exact Sciences have identified 19 space rocks of interstellar origin. The space rocks are classed as Centaurs – outer-Solar System objects orbiting between Jupiter and Neptune. Professor Maria Helena Moreira Morais, one of the study’s co-authors, said: “The Solar System formed 4.5 billion years ago in a stellar nursery, with its systems of planets and asteroids.  Some objects now [...]