For many years it was thought that water was prevalent within the outer reaches of the Photo voltaic System early in its historical past, with comets and asteroids delivering moisture to Earth and the inside planets through the Late Heavy Bombardment interval round 4 billion years in the past.
An abundance of ice in locations just like the Kuiper Belt – the ring of ‘iceteroids’ within the outer Photo voltaic System – helps the concept. Nevertheless, the speculation couldn’t be examined till it turned potential to check extrasolar methods within the early levels of formation.
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