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The Future Of The Earth

Education : Physics

One question that arises to many when studying the universe in school, but is not often answered, is the "what happens next" question.

Certain things seem to be known: at some stage the Earth will lose the moon from its orbit, eventually if not destoyed by impacts from comets it will be destroyed by the sun when it cools and swells as a red giant. Not good, really, but that's billions and billions of years off.

Interestingly, it does not seem possible that 'we' will ever be here to witness those events. This is because if our descendents are still in existence then (the probability of which is almost impossible to work out since we know nothing of the chances of an intelligent race surviving for long periods of time), they will be exactly that - descendents.

Bearing in mind the massive timescales and evolution, it would seem very unlikely that humans would not have evolved significantly over such massive timescales, and hence it would be a different species / animal that would be around to witness those events (presumably from the safety of observing it from some other planet or spacecraft)


By: Stephen

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