WebIf you know the diameter or radius of a circle, you can work out the circumference. To begin with, remember that pi is an irrational number written with the symbol π. π is roughly equal to 3.14. The formula for … WebStephenson 2-18 is a Red hypergiant Star that is in the constellation of Scutum within the Star cluster of Stephenson 2.It is 19,570 light-years away from the Earth, near the …
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WebStephenson used the term to describe a virtual reality-based successor to the internet. [89] Neal Stephenson's metaverse appears to its users as an urban environment developed along a 100-meter-wide road, called the Street, which spans the entire 65,536 km (2 16 km) circumference of a featureless, black, perfectly spherical planet. WebStephenson 2-18 (St2-18, also known as Stephenson 2-18 and RSGC2-18) is a red supergiant (RSG) or red hypergiant (RHG) star. It is close to, and a possible member of, the open cluster Stephenson 2. It is about 6,000 parsecs (20,000 ly) away from Earth in the constellation of Scutum and is one of the largest known stars. north georgia eye clinic cumming ga
Stephenson 2-18 Space Wiki Fandom
WebStephenson 2, also known as RSGC2 (Red Supergiant Cluster 2), is a young massive open cluster belonging to the Milky Way galaxy. It was discovered in 1990 as a cluster of red … WebHow far around is a circle that is 18 inches across? Circumference of a 18″ diameter circle. 56.549. inches. 4.7124. feet. 4′ 8.549″. feet and inches. 1.4363. Stephenson 2 DFK 1 (abbreviated to RSGC2-01), also known as Stephenson 2-18 (abbreviated to St2-18), is an enigmatic red supergiant (RSG) or possible extreme red hypergiant (RHG) star in the constellation of Scutum. It lies near the open cluster Stephenson 2, which is located about 5.8 kiloparsecs (19,000 … See more The open cluster Stephenson 2 was discovered by American astronomer Charles Bruce Stephenson in 1990 in the data obtained by a deep infrared survey. The cluster is also known as RSGC2, one of several massive … See more Evolutionary stage RSGC2-01 shows the traits and properties of a highly luminous red supergiant, with a spectral type of M6, … See more • R136a1 – one of the most massive and luminous stars known • List of largest known stars • List of most massive stars • Westerlund 1-26 See more When the cluster was originally discovered in 1990, Stephenson 2, and therefore Stephenson 2 DFK 1, was originally estimated to have a distance of around 30 kiloparsecs See more The distance of Stephenson 2 DFK 1 has been stated to have a relative uncertainty greater than 50%, and the radius of 2,150 R☉ could possibly … See more north georgia family practice