Sentences with phrase «red giant stage»

The star lies at a center of a planetary nebula, formed after the star's red giant stage about 8,300 years ago.

When they reach the red giant stage, these elements are released into space, ready to be used in subsequent generations of new stars.

Roughly 97 percent of the stars in the Milky Way are smaller ones that take another evolutionary path, leading eventually to the red giant stage and continuing beyond.

During the red giant stage stars also periodically undergo thermal pulses.

The behavior of a star now depends on its mass, with stars below 0.23 solar masses becoming white dwarfs, while stars with up to 10 solar masses pass through a red giant stage.

This again sets the star evolving toward the red giant stage along what is called the asymptotic giant branch, located slightly above the main region of giants in the Hertzsprung - Russell diagram.

«If confirmed, it would directly tell us that some planets can survive the red giant stage of stars and be present around white dwarfs.»

This helium - burning, orange - red giant stage is relatively brief, lasting tens to hundreds of million years (e.g., lasting around 700 million years for a star of one Solar mass like the Sun).

The extended halo, which has a temperature of about 15,000 K, consists of matter that the central star expelled in its red giant stage.