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When the sun dies where will humans live?

When the sun dies where will humans live? Will we live on another planet?
St Peters Primary School in South Lanarkshire (age 5-14)

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2 Responses

  1. Great question! Science fiction has been dreaming up answers to this problem for many decades. Maybe we could colonise a planet further out in our solar system. Maybe we could colonise the asteroid belt. Maybe one of the moons of Jupiter, or one of the other gas giant planets. Or maybe we would build a generation starship that would take the seed of humanity out to a different system entirely.

  2. First of all, it’s important to say that this isn’t something we should worry about. The Sun won’t die for at least 5 billion more years, and even the most pessimistic theory says we’ll be able to live on Earth for another BILLION years before we have to find somewhere else to live, so don’t go cancelling any holidays 😉 But when the Sun dies we will have to find another home in space. By that time though, there will almost certainly be people living on other worlds in our solar system already, probably on Mars, and on several of the moons of Jupiter and Saturn too. There may also be human colonies on (or inside!) asteroids or comets. And in a billion years time we should also have developed the technology to allow us to travel to planets that orbit around other stars far out in space; after all, in the past 100 years we’ve come from the flight of the Wright Brothers’ first powered plane to the building of a huge space station above Earth, so who knows what we’ll be able to do by the year 1 Billion? 🙂

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