Stephenson 2-18 (also called Stephenson 2 DFK 1 or RSGC2-01) is an extreme red hypergiant star in the constellation Scutum. Stephenson 2-18 is the largest confirmed star with an unconfirmed radius, as a 2020 estimate placed it at 2,150 Solar Radii. It is one of the most luminous stars known. Astronomical data Radius (in Solar Radii): ~1,300 R☉ Diameter (in… Continue reading Stephenson 2-18
Rigel is the brightest star in the constellation Orion. it is a blue supergiant star with several dimmer companions. Rigel is sometimes called Algebar or Elgebar in older astronomical sources. Rigel is the seventh brightest star in the night sky and is occasionally outshone by the second brightest star in Orion, Betelgeuse. Like other supergiant stars, Rigel will probably explode… Continue reading Rigel
Antares is a binary star system in the constellation Scorpius consisting of a Red Supergiant and a Blue main sequence star. Antares A is the brightest star in the constellation Scorpius, as well as the 15th brightest star in the night sky. Antares A is often associated among the largest stars, with a radius of 680 Solar Radii. Antares A… Continue reading Antares
“What kind of a name is UY Scuti?” -Corridor Crew UY Scuti is a red hypergiant star in the constellation Scutum. With a radius of 909 Solar Radii, it is one of the largest known stars and one of the most historically important stars ever. It was first known as BD-12°5055 when it was first cataloged in 1860. In 2012,… Continue reading UY Scuti
HD 186302 is a Main Sequence Star in the constellation Pavo. It was formerly considered a solar sibling with our Sun, however later research disproves that as its galactic orbit differs from the Sun’s. Astronomical data Radius (in Solar Radii): 0.95 R☉ Diameter (in Kilometers): 1,322,400 km Mass (in Solar Masses): 0.97 M☉ Distance (in Light Years): 185 ly Spectral… Continue reading HD 186302
“The Sun is yellow, it heats the ground, that’s how they name stuff.” -Tim Taylor The Sun is the star at the center of our solar system. It is the largest and most massive object in our solar system, making roughly 99% of the solar system’s mass. It is also called “Sol” or rarely “Helios”. It is currently a Main… Continue reading Sun
