Did you know that a quasar is (as far as we know) the brightest object in our universe? Of which 'Quasar 3C 273' shines at a brightness of 42,042,000,000,000,000,000 (42 sextillion 42 quintillion) lux or lumens per square meter. That is about 429,000,000,000,000 (429 trillion) times brighter...