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

Facts about the red giant star and where to find it are explained by Space.com's Chelsea Gohd. [Betelgeuse: The Eventual ...

Recently, however, astronomers have been keeping track of starspot activity on a red giant star called XX Trianguli, and the irregular behaviour of its starspots suggests its interior may have ...

Artist’s impression of a cloud of smoke and dust being thrown out by a red giant star. Seen from the left the star remains bright but if viewed from the right it fades to invisibility.

Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

around a hundred red giant stars—some of the oldest stars in our galaxy—some of which appear to pre-date the Milky Way's collision with another small galaxy called the Gaia-Enceladus-Sausage.

At this stage, the star becomes a large red giant. Because a red giant is so large, its heat spreads out and the surface temperatures are predominantly cool, but its core remains red-hot.

Turning to the skies, technetium was detected in some so-called red giant stars as long ago as 1952, but not in our own Sun, a fact that has had a significant role in confirming the view that the ...

The Moon passes 0.3° south of the bright red giant star Antares at 7 P.M. EST. However, the pair isn’t visible this evening, as they’ll rise in the early-morning sky, so we’ll feature them ...