A star you can see with the naked eye has kept astronomers guessing for decades with its unusually powerful X-rays. Now, ...
Why would one of the night sky’s best-known stars shine in X-rays far beyond what a massive star should produce? Gamma ...
An invisible companion consuming material from the naked-eye star gamma-Cas has been revealed as the culprit for curious ...
An artist impression of X-rays (purple) emitted from the new type of X-ray source, where a layered structure which guides the beam is bombarded by electrons (yellow). Credit: Julius Hilbig An artist ...