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The Delta N or Thor-Delta N was an American expendable launch system used for nine orbital launches between 1968 and 1972. It was a member of the Delta family of rockets, and the last Delta to be given an alphabetical designation - subsequent rockets were designated using a four digit numerical code . The Delta N consisted of two stages.
Delta Delta Delta. Delta Delta Delta ( ΔΔΔ ), also known as Tri Delta, is a global [2] women's fraternity and Greek life organization founded on November 27, 1888 at Boston University by Sarah Ida Shaw, Eleanor Dorcas Pond, Isabel Morgan Breed, and Florence Isabelle Stewart. With over 200,000 living initiates at 141 chapters and over $450M ...
The Delta IV Heavy ( Delta 9250H) was an expendable heavy-lift launch vehicle, the largest type of the Delta IV family. It was the world's third highest-capacity launch vehicle in operation at the time of its retirement in 2024, behind NASA 's Space Launch System and SpaceX 's Falcon Heavy and closely followed by CASC 's Long March 5. [5] [6 ...
Δ−. (ddd), which respectively carry an electric charge of +2 e, +1 e, 0 e, and −1 e . The Δ baryons have a mass of about 1 232 MeV/c2; their third component of isospin and they are required to have an intrinsic spin of 3 2 or higher (half-integer units). Ordinary nucleons (symbol N, meaning either a proton or neutron ), by contrast, have ...
Delta method. In statistics, the delta method is a method of deriving the asymptotic distribution of a random variable. It is applicable when the random variable being considered can be defined as a differentiable function of a random variable which is asymptotically Gaussian .
Delta Air Lines is a major American airline. [1] [2] The company's history began with the world's first aerial crop dusting operation called Huff Daland Dusters Inc., founded in 1925 in Macon, Georgia [3] to combat the boll weevil infestation of cotton crops. [4] C.E. Woolman, general manager and later Delta's first CEO, led a group of ...
The Delta Queen is an American sternwheel steamboat. She is known for cruising the major rivers that constitute the tributaries of the Mississippi River, particularly in the American South, although she began service in California on the Sacramento River delta for which she gets her name. She was docked in Chattanooga, Tennessee and served as a ...
Delta Lotsman or Delta Pilot ( Ukrainian: Державне підприємство "Дельта-лоцман") is a branch of state company "Sea Ports Authority" and regulates vessel traffic in territorial waters of Ukraine and also providing navigation and piloting of marine vessels. The company is based in a capital of the Ukrainian ...