Tech

A cosmic mystery: Astronomers capture dying star blowing smoke rings

Enlarge / A rendering of the star V Hydrae, or V Hya for short. In its death throes, the star emitted a series of expanding rings that scientists calculated are being formed every few hundred years, per UCLA astronomer Mark Morris. (credit: ALMA (ESO/NAOJ/NRAO)/S. Dagnello (NRAO/AUI/NSF)) Astronomers have caught a red giant star going through […]