FanShot

The sun gives energy

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The sun gives energy to life on Earth, and without this star, we wouldn’t be here. But like most things in space, even stars have limited lifetimes, and someday our sun will die. You don’t need to worry about this solar death anytime soon, though. Inside the sun, a churning fusion engine fuels the star, and it still has a lot of fuel left — about 5 billion years’ worth. Stars like our sun form when a huge cloud of gas (mostly hydrogen and helium) grows so large that it collapses under…DAincrease