A famous night-sky object has yielded a surprise: a narrow, bar-shaped cloud made of highly ionized iron. The discovery comes ...

Everything about the Infinity galaxy is unusual. It looks very strange and it has a supermassive black hole pulling a lot of ...

This is a preview. Log in through your library . Abstract High-resolution low-noise spectra of the Oi and Ca ii near infrared lines in Vega were obtained in 1977 and 1978. The violet-shifted emission ...

Scientists have been all aflutter since several space-based detectors picked up a powerful gamma-ray burst (GRB) in October 2022—a burst so energetic that astronomers nicknamed it the BOAT (Brightest ...

XES is an element-specific method primarily used to analyze the partially occupied electronic structure of materials. The technique is one of the photon-in-photon-out spectroscopies in which an ...