Define etch: to produce (something, such as a pattern or design) on a hard material by eating into the material's surface (as byâ¦ â etch in a sentence to produce (something, such as a pattern or design) on a hard material by eating into the material's surface (as by acid or laser beam)â¦
This staggering image shows how our sun - which is so big it accounts for 99.86% of the mass in the solar system - would look next to the biggest star in the universe. VY Canis Majoris is so large that it is impossible to even represent the earth in this picture as it would measure less than one thousandth of a single pixel.
1. VY Canis Majoris. VY Canis Majoris is a red hypergiant in the constellation Canis Major. It is the largest known stars by radius and also one of the most luminous of its type. Itâs radius is approximately 1,540 times bigger than the Sun and 25 times more mass then Sun. It is around 270,000 times brighter than the Sun.