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.
IC 1101 The largest galaxy Known so Far. IC 1101 is located one billion light years away in the constellation Serpens, this is the largest galaxy in the known universe. It is enormous, it has a diameter of six million light years and a mass of over 100 trillion stars, with most of that mass in the form of elusive dark matter. astronomer Mark Brodwin said.