An artist

A couple of billion years from now, the Solar will change into bigger, brighter, and warmer, which might make Earth uninhabitable. Nevertheless, an opportunity encounter with a passing star might save our planet by flinging it right into a cooler orbit or serving to it break away from the photo voltaic system totally, a brand new theoretical examine suggests. (Nevertheless, the possibilities of this taking place are very slim.)

At present, the Earth lies contained in the Solar Habitable areaIt’s a ring-shaped area inside which planets might harbor liquid water. However our planet’s state of affairs will worsen because the Solar grows over the subsequent billion years, pushing this area outward and away from Earth. Which means that liquid water – and subsequently life – might change into historical past lengthy earlier than the Solar swells right into a crimson big and swallows the Earth complete 5 billion years from now.

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