We don't have to worry about the death of the sun any time soon, but when it does happen, will the Earth be able to survive?

Thankfully, our sun's sunspot activity occurs along an ... astronomers have been keeping track of starspot activity on a red giant star called XX Trianguli, and the irregular behaviour of its ...

Our star will grow larger than we can imagine — so large that it will envelop the inner planets, including Earth. That's when the sun will become a red giant, which will remain for about a ...

Stars like our sun fuse hydrogen in their cores into helium ... At this stage, the star becomes a large red giant. Because a red giant is so large, its heat spreads out and the surface ...

Publications of the Astronomical Society of the Pacific Vol. 114, No. 794, April 2002 Red Giant Branch Stars: The Theoretical ... Red Giant Branch Stars: The Theoretical Framework This is the metadata ...