(1 AU = Distance from Sun to Earth = 149,597,870.7 km) UY Scuti It was first discovered back in 1860. If UY Scuti took our Sun’s place at the center of our solar system, it would engulf everything as far out as the orbit of Saturn. UY Scuti Although R136a1 is the most massive known star, it is not the largest, since it only stretches about 30 times the radius of our sun. language analysis essay structure. That honor goes to R136a1, which weighs in at about 300 times the mass of the sun but only about 30 solar radii. That size earth so small compared to it, that is you can 4 quadrillion Earth into Uy Scuti. bigger than uy scuti https youtu be oapf_auhghs; 1985 honda nighthawk 700s specs. … Left to right: a red … It is currently the largest star by radius discovered by humans. UY Scuti is a bright red supergiant and pulsating variable star in the constellation Scutum.It is one of the leading candidates for being the largest known star by radius and is also one of the most luminous of its kind. bigger