A red giant star is a dying star in the last stages of stellar evolution. Our own sun will turn into a red giant, expand and engulf the inner planets.

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What ...

Astronomers modeled sunspot activity on a nearby red giant star to learn about its chaotic interior. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

As a sun-like star nears the end of its life, it expands into a red giant, about 100 to 1,000 times its original size, eventually overtaking the space around it, including nearby planets.

The images show the surface of the star R. Doradus, a red giant star 180 light-years away in the Dorado constellation. The star has a diameter about 350 times that of the sun, and it serves as a ...

Astronomers modeled sunspot activity on a nearby red giant star to learn about its chaotic interior. Skip to main content. ... The Sun New 8K-resolution photos of the sun show off incredible ...

The images show the surface of the star R. Doradus, a red giant star 180 light-years away in the Dorado constellation. The star has a diameter about 350 times that of the sun, and it serves as a ...

For XX Trianguli, which is 630 light-years from Earth, the photocenter of the stellar disk can shift up to 10% of the star's radius relative to its geometric center, causing a displacement of 24 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's visualization of some of the spots on red giant XX Trianguli. | Credit: Viktor Varga ...

These spots are even larger than the entire surface of our sun — which is why XX Tri has been dubbed "the most spotted star in the sky," Kővári said. Related Stories: ...