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.
Quite a few are larger. VY Canis Majoris was once thought to be the largest star observed, at 1,800â2,100 solar radii, but is now thought to be around 1420 solar radii. Itâs the 6th largest star observed, after UY Scuti (1708 Râ), WOH G64 (1540â17...