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Widely recognised as being among the largest known stars, [19] radius decreased to ~500 R ☉ during the 2020 great dimming event. [73] R Horologii: 630 [58] L/T eff: A red giant star with one of the largest ranges in brightness known of stars in the night sky visible to the unaided eye. Despite its large radius, it is less massive than the Sun.
Rare ultramassive stars that exceed this limit – for example in the R136 star cluster – might be explained by the following proposal: Some of the pairs of massive stars in close orbit in young, unstable multiple-star systems must, on rare occasions, collide and merge when certain unusual circumstances hold that make a collision possible. [3]
[3] [62] [65] The star is very unstable, having a prodigious mass loss such as in ejections. VY Canis Majoris is a candidate for a star in a second red supergiant phase, but this is mostly speculative and unconfirmed. [66] From this star CO emission is coincident with the bright KI shell in its asymmetric nebula. The star will produce either:
UY Scuti was analyzed to be the largest and the most luminous of the three stars measured, at 1,708 ± 192 R ☉ (1.188 × 10 9 ± 134,000,000 km; 7.94 ± 0.89 AU) based on an angular diameter of 5.48 ± 0.10 mas and an assumed distance of 2.9 ± 0.317 kiloparsecs (kpc) (about 9,500 ± 1,030 light-years) which was originally derived in 1970 ...
#24. Pom Klementieff. Pom Klementieff is known for her action-packed role as Mantis in a slew of films in the Marvel Cinematic Universe. But in 2023, she expanded her franchise contributions ...
It is one of largest stars known (sometimes described as the largest known) [64] and is also one of the most luminous with a radius varying from 1,420 to 2,200 times the Sun's radius, and a luminosity around 300,000 times greater than the Sun. Its current mass is about 17 ± 8 solar masses, having shed material from an initial mass of 25–32 ...
The Roanoke Star, also known as the Mill Mountain Star, is the world's largest freestanding illuminated man-made star.It was constructed at the top of Mill Mountain in Roanoke, Virginia in 1949 by the local merchants association to draw publicity and trade to the city.
The notion of a “Rock Star” was first mentioned in 1960 — before that and for a while after as well, the biggest musicians of this new, fast evolving musical genre were simply pop stars.