Aldebaran

Aldebaran is a red giant star in the constellation Taurus. It is known for being located near the Hyades star cluster, although it is older and not a member. It is the fourteenth brightest star in the night sky and the brightest star in the constellation Taurus. It was recently found that Aldebaran may have a companion star, a small… Continue reading Aldebaran

Arcturus

Arcturus (also called Svati or very rarely Arktur) is an orange giant star in the constellation Boötes. it is the brightest star in the Constellation Boötes as well as the entire northern hemisphere, and the fourth brightest star In the night sky. It has exhausted the supply of hydrogen in its core, thus moving off the main sequence. It is… Continue reading Arcturus

V354 Cephei

V354 Cephei is a red supergiant star in the constellation Cepheus. It is known for its reddish-orange hue and extreme proportions. That said, it Is one of the largest known stars. It is located near the Cepheus OB1 Stellar Association. It was given a size estimate of 2,115,840,000 kilometers in 2005, now an outdated measurement. Astronomical data Radius (in Solar… Continue reading V354 Cephei

Stephenson 2-18

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

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

List of Stars by Solar Radii

Below is a list of stars listed by Solar Radii. new additions to the site must be added here. Stars marked with a * have site-estimated sizes.Stars highlighted in red have unlikely estimates.Some stars do not have pages yet. Be patient! Name Radius Diameter Stephenson 2-18 2,150 R☉ 2,992,800,000 km UY Scuti 1,707 R☉ 2,376,511,200 km NML Cygni 1,650 R☉… Continue reading List of Stars by Solar Radii

Antares

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

UY Scuti

“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

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

Sun

“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