Helium star transform into a red giant after losing its hydrogen envelope in the future. Helium star A helium star or helium strong star is a class O or B star (blue), which has extraordinarily strong helium lines and weaker than normal hydrogen lines, indicating strong stellar winds and a mass loss of the outer envelope. "Extreme helium stars" (EHe) entirely lack hydrogen in their spectra. Previously, a "helium star" was a synonym for a B class star, but this usage is considered obsolete. A "helium star" is also a term for a hypothetical star that could occur if two helium white
Southern Star Central Gas Pipeline Southern Star Central Gas Pipeline Southern Star Central Gas Pipeline, Inc, headquartered in Owensboro, Kentucky, is a natural gas transmission system spanning over in the Midwest and Mid-continent regions of the United States. Southern Star's employees and its pipeline system and facilities are located throughout Kansas, Oklahoma, Missouri, Wyoming, Colorado, Texas, Nebraska, and Kentucky. It serves major markets such as St. Louis, Wichita, and Kansas City. Southern Star is a locally managed, private company owned by GE Energy Financial Services and Caisse de dépôt et placement du Québec. The company is more commonly referred to as Southern Star. The company's