Using high-resolution spectra obtained with the MIKE spectrograph at the 6.5-m Magellan Clay telescope at the Las Campanas Observatory in Chile, and the UVES spectrograph attached to the 8.2-m VLT ...

RR Lyrae, an old yellow giant star 850 light-years distant in northwest Lyra, near the border of Cygnus, is the prototype of one of the most important classes of pulsating variable stars. RR ...

Astronomers have discovered more than 200 distant variable stars known as RR Lyrae stars in the Milky Way’s stellar halo. The most distant of these stars is more than a million light years from Earth, ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A new study claims to have discovered about 200 ancient ...

Earth is fortunate to be orbiting a star that is fairly constant in its light production. The amount of light energy reaching Earth from the Sun has varied by much less than 1 percent over the past ...

A team led by Andrea Kunder from the Leibniz Institute for Astrophysics Potsdam (AIP) measured the velocity of a sample of 100 old RR Lyrae stars* thought to reside in the galactic bulge, the central ...

LONG before her debut four years ago, reggae/R&B singjay Lyrae Jojo harboured intentions of becoming a household name. She feels her latest single, I Like It, will do the job. “It’s really about a ...