UY Scuti Share definition Flag The largest star discovered (2017) in the universe followed by NML Cygni and VY Canis Majoris. Sun: UY Scuti is such a fatassSirius: He should lay off the McDenebola's UY Scuti by This sentence is wrong. February 26, 2017 0 0 Get merch Get the UY Scuti mug. Buy Now — $32.95 See more merch