V889 Herculis doesn't rotate like any other star, defying stellar models. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A nearby star that's ...

Astronomers from the University of Helsinki have found that the rotational profile of a nearby star, V889 Herculis, differs considerably from that of the Sun. The observation provides insights into ...

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 292 Issued at 2200Z on 19 Oct 2023 Chandra X-ray Observatory X_Ray View Of The Galactic Center Want the latest space news?

The occultation of stellar active regions during the planetary transit[1] can lead to inaccurate estimates of the characteristics of these exoplanets, especially the spin-orbit tilt angle. This was ...

Figuring out the ages of stars is fundamental to understanding many areas of astronomy—yet, it remains a challenge since stellar ages can't be ascertained through observation alone. So, astronomers at ...

As atmospheric observations of exoplanets become increasingly precise, it is more important than ever to correctly account for the effect of starspots on host stars. An ideal opportunity to study ...

A study extends the definition of a habitable zone for planets to include their star's magnetic field. Interest in Earth-like planets orbiting within the habitable zone of their host stars has surged, ...