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The following well-known stars are listed for the purpose of comparison. Antares (α Scorpii A) 680 [66] AD Fourteenth brightest star in the night sky. [67] Widely recognised as being among the largest known stars. [19] Betelgeuse (α Orionis) 640, [68] 764 +116 −62, [69] 782 ± 55 [70] AD & SEIS Tenth brightest star in the night sky. [67]
Stars that are at least sometimes visible to the unaided eye have their apparent magnitude (6.5 or brighter) highlighted in blue. The first list gives stars that are estimated to be 60 M ☉ or larger; the majority of which are shown. The second list includes some notable stars which are below 60 M ☉ for the purpose of comparison. The method ...
Omega Centauri, one of the largest star clusters. Below is a list of the largest known star clusters, ordered by diameter in light years, above the size of 50 light years in diameter. This list includes globular clusters, open clusters, super star clusters, and other types.
The listed objects currently include most objects in the asteroid belt and moons of the giant planets in this size range, but many newly discovered objects in the outer Solar System are missing, such as those included in the following reference. [58] Asteroid spectral types are mostly Tholen, but some might be SMASS.
Stars with cooler outer atmospheres, including the Sun, can form various diatomic and polyatomic molecules. [137] Size comparison of some well-known supergiant and hypergiant stars, featuring Cygnus OB2-12, V382 Carinae, Betelgeuse, VV Cephei, and VY Canis Majoris
Betelgeuse became the first extrasolar star whose photosphere's angular size was measured in 1920, and subsequent studies have reported an angular diameter (i.e., apparent size) ranging from 0.042 to 0.056 arcseconds; that range of determinations is ascribed to non-sphericity, limb darkening, pulsations and varying appearance at different ...
A size comparison between R136a1 and the Sun R136a1 is over forty times the radius of the Sun ( 42.7 R ☉ ; 29,700,000 km ; 1 ⁄ 7 au ) which corresponds to a volume nearly 80,000 times larger than the Sun. [ 4 ]
It's a mind-blowing sequence. The viewer is invited to reflect on stars so large their size strains the limits of comprehension. Creator Dave Jarvis Nominated by StevenJohnston 21:12, 10 February 2009 (UTC) Comments. In general, it really is a nice, easy to understand comparison, but I have three concerns.