Can you please tell me just how old the sun is? –I.

The Sunday Post (Dundee) - - Advice -

It’s around 4.5 bil­lion years old.

But don’t worry, there’s a lot of life left in the sun, and it prob­a­bly won’t die for an­other five bil­lion years.

When that hap­pens, it will be very dif­fer­ent to how we see it to­day.

It will get much larger, but cooler, and will be around 2000 times brighter, be­com­ing what is known as a red gi­ant, when it will ex­plode into noth­ing­ness.

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