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How old is the sun?

How old is the sun?
Dylan Waterson from Tyne and Wear (Age: 5-14)


One Response

  1. HI Young Scientist :).
    Our nearest star, which we call “The Sun”, is now about ‘middle-aged’ or about half way through it’s estimated total life in the present form.
    The Sun began shining as now some 4.57 thousand, million years ago and has an ‘expectation of life’ of 10 thousand, million years. Other stars are so not nearly as close to our planet as our Sun. In fact, whereas the sunlight we enjoy has taken a little over eight minutes to travel through space to reach us, ‘starlight’ has taken many years! So many years, for some of the most distant stars, they may have ended their lives by now but the light that started out from them, way back then, is still travelling outwards. The future life of our Sun is many, many times or ‘generations’ of us humans so will go on shining far into the future for our children and for their children too – and beyond. We all rely upon the Sun for the energy to give us life which begins with the amazing way plants turn sunlight into food and so on….
    I hope this answers your question.
    Good Luck.
    ung Scientist :).

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