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Delta-v (more known as " change in velocity "), symbolized as and pronounced deltah-vee, as used in spacecraft flight dynamics, is a measure of the impulse per unit of spacecraft mass that is needed to perform a maneuver such as launching from or landing on a planet or moon, or an in-space orbital maneuver. It is a scalar that has the units of ...
Takla Landing. Coordinates: 55°29′00″N 125°58′00″W. Map. Takla Landing, also known as McLaing Landing is an unincorporated locality and former steamboat landing on the east side of Takla Lake [1] in the Omineca Country of the Central Interior of British Columbia, Canada. In the days of the Omineca Gold Rush, Takla Landing was a port ...
The Delta Cryogenic Second Stage ( DCSS) is a family of cryogenic rocket stages used on the Delta III and Delta IV rockets, and on the Space Launch System Block 1. The stage consists of a cylindrical liquid hydrogen (LH 2) tank structurally separated from an oblate spheroid liquid oxygen (LOX) tank. The LH 2 tank cylinder carries payload launch ...
Delta Air Lines Flight 1080. Delta Air Lines Flight 1080 was a scheduled flight from San Diego, California to Atlanta, Georgia, notable for the incident that occurred on April 12, 1977 during the San Diego to Los Angeles leg of the flight. [3] Unknown to the crew, the Lockheed L-1011 's left elevator had become stuck in a fully upwards position.
This is a list of launches made by the PGM-17 Thor IRBM, and its derivatives, including the Delta family and the Japanese N-I, N-II and H-I rockets which were based on license-produced components. Due to the number of launches, it has been split by decade: List of Thor and Delta launches (1957–1959) List of Thor and Delta launches (1960 ...
The Mississippi Delta, also known as the Yazoo–Mississippi Delta, or simply the Delta, is the distinctive northwest section of the U.S. state of Mississippi (and portions of Arkansas and Louisiana) that lies between the Mississippi and Yazoo rivers. The region has been called "The Most Southern Place on Earth" [1] ("Southern" in the sense of ...
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 ...
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 .