The outside layer will contain a thin layer of unburnt ... In about 5 billion years, the sun will enter the red giant phase. During this phase, the sun makes a transition from burning hydrogen ...

Its outer layers will disperse, leaving behind a dense, glowing ball that is as big as Earth, but still has the sun's ...

But it will actually be painful to look at because, unlike the full moon that is this gorgeous disk in the sky, Betelgeuse is ...

As the sun grows into a red giant, its outer layers will expand, potentially engulfing Earth in a fiery demise, as predicted by the study published in Nature Astronomy. According to astronomers ...

01 times that of our own sun, but their mass is ... and causing the star's outer layers to expand outward. At this stage, the star becomes a large red giant. Because a red giant is so large ...

It grows in size as the hydrogen fusion moves to the outer layers. This expanded star is known as a red giant, which appears as an orange color. According to NASA, our sun is destined to become a red ...