R Doradus (R Dor) is a pulsating variable red giant located 178 light years away in the southern constellation of Dorado (the Dolphinfish). The asymptotic… Read More »R Doradus: Pulsating Giant the Size of the Orbit of Mars
119 Tauri (119 Tau) is a red supergiant located approximately 1,800 light-years away in the constellation Taurus. It has been nicknamed Ruby Star because of… Read More »Ruby Star (119 Tauri): One of the Sky’s Reddest Stars
Betelgeuse, Alpha Orionis (α Ori), is a red supergiant star located in the constellation Orion, the Hunter. It has an estimated radius 640 to 764… Read More »Betelgeuse
Brachium, Sigma Librae A (σ Lib A) is the primary component of a binary star system located approximately 288 light-years from the solar system in… Read More »Brachium (Sigma Librae)
UY Scuti is a red supergiant or red hypergiant star located in the direction of the constellation Scutum. With a radius of 909 solar radii,… Read More »UY Scuti
Tiaki, Beta Gruis (β Gru) is a red giant star located approximately 177 light-years away in the constellation Grus (the Crane). With an apparent magnitude… Read More »Tiaki (Beta Gruis)
Minelauva, Delta Virginis (δ Vir), is a red giant star located 198 light-years away in the constellation Virgo. With an apparent magnitude that varies between… Read More »Minelauva (Delta Virginis)