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.
What is the hottest star or asteroid in the universe? Mad Scientist Network. Bellatrix, the other shoulder in Orion, is one of the hottest stars we can see with the naked eye with an effective temperature of about 30,000 deg K. 30,000 K: Space Trivia. Stars R Us Amateur Astronomy. The central stars of planetary nebulae are the hottest known stars.