Red supergiant’s dim history unraveled by Hubble Space Telescope

NASA researchers have published a new study that sheds light on the reason why the red supergiant VY Canis Majoris has grown dim, citing a phenomenon similar to the one that caused Betelgeuse to grow temporarily dim last year. The new findings were made possible using data gathered by the aging Hubble Space Telescope. Early last year, the iconic red … Continue reading