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The launch vehicle used three RS-68 engines, one in the central core and one in each booster. [19] On the last seconds of countdown, the liquid hydrogen fuel would flow through the engines and upwards along the booster body, and after the ignition that hydrogen inflamed, creating the characteristic fireball and charred look of the booster. [20]
The Baird Center (formerly Wisconsin Center, Midwest Express Center, Midwest Airlines Center, Frontier Airlines Center, and Delta Center) is a convention and exhibition center located in downtown Milwaukee, Wisconsin.
Delta Center is an unincorporated community located near the center of the township at Canal Street and St. Joseph Highway. It was the original location of the township hall built in the 1870s and serving until 1955 when it was moved up Canal where it intersects with Saginaw Highway.
Space Delta 7 (DEL 7) is a United States Space Force unit responsible for Intelligence, Surveillance and Reconnaissance (ISR) for the United States Space Force.The delta provides actionable and time-sensitive intelligence for space domain operations including detection, characterization and targeting of adversary space capabilities. [3]
Three-phase transformer with four-wire output for 208Y/120 volt service: one wire for neutral, others for A, B and C phases. Three-phase electric power (abbreviated 3ϕ [1]) is a common type of alternating current (AC) used in electricity generation, transmission, and distribution. [2]
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.
For example, although more fuel is needed to transfer a heavier communication satellite from low Earth orbit to geosynchronous orbit than for a lighter one, the delta-v required is the same. Delta- v is also additive, as contrasted to rocket burn time, the latter having greater effect later in the mission when more fuel has been used up.
The Danube Delta (Romanian: Delta Dunării, pronounced [ˈdelta ˈdunərij] ⓘ; Ukrainian: Дельта Дунаю, romanized: Del'ta Dunaju, pronounced [delʲˈtɑ dʊnɐˈju]) is the second largest river delta in Europe, after the Volga Delta, and is the best preserved on the continent. [2]