HD 219134 is an orange dwarf 21 light-years from Earth, much cooler and smaller than the Sun, ... “The vibrations of a star are like its unique song,” lead author Dr Yaguang Li, ...

By studying faint vibrations within stars, scientists using the Keck Planet Finder have discovered internal features that ...

Since its debut in 2021, the James Webb Space Telescope has dazzled viewers with its infrared images of galaxies, nebulae, ...

James Webb’s mid-infrared vision has likely captured a frigid, Saturn-mass planet shaping the dusty rings around the nearby ...

Yet, by being so massive, Gaia-4b exerts a fierce gravitational pull on its star, an unremarkable orange K-class dwarf with just 64% the mass of our sun.

It is a white dwarf star that was once "several times more massive" than the Earth's sun. It has been in the process of dying for over 4,000 years, and "will continue to change over many more ...

You will notice that it has an orange glow. That is because it is considered a red giant star — a bloated star nearing the end of its life. It is more than 25 times the diameter of our sun.

HD 219134 is an orange dwarf 21 light-years from Earth, much cooler and smaller than the Sun, and even more than the usual asteroseismology targets.