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.
Its mass and brightness was beyond what many scientists thought was even possible. Such is an addition to an ever growing list of supergiants and hypergiants. Here are the ten largest stars in the universe in terms of mass, size, and luminosity. R136a1 is believed to be the most massive star in the universe.