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Delta Circini (δ Cir), is a multiple star system located in the constellation Circinus. Delta Circini is also known as HR 5664 , and HD 135240 . The system has a combined apparent visual magnitude of +5.09, and is located at a distance of about 700 pc (2,300ly) from the Sun.
Delta bond. In chemistry, delta bonds ( δ bonds) are covalent chemical bonds, where four lobes of one involved atomic orbital overlap four lobes of the other involved atomic orbital. This overlap leads to the formation of a bonding molecular orbital with two nodal planes which contain the internuclear axis and go through both atoms.
2001 Image of the active delta front before Hurricanes Katrina and Rita destroyed much of the delta in 2005. The Mississippi River Delta is the confluence of the Mississippi River with the Gulf of Mexico in Louisiana, southeastern United States. The river delta is a three-million-acre (4,700 sq mi; 12,000 km 2) area of land that stretches from ...
USS. Delta. (AR-9) USS Delta (AK-29/AR-9) was the lead ship of her class of repair ships in the United States Navy during World War II. She was originally built as the merchant ship SS Hawaiian Packer before her requisition by the U.S. Navy in 1941. Before conversion to a repair ships, Delta briefly served as a U.S. Navy cargo ship .
The Delta is a fairly rare example of a large air-cooled inline engine, which normally have cooling problems with the rearmost cylinders. It produced about 750 hp in common versions, although others were rated up to 900 hp. The Delta was not widely used, although it could be found on a number of production aircraft and some advanced prototypes.
Number built. 116. Developed into. Convair Model 58-9. The Convair B-58 Hustler, designed and produced by American aircraft manufacturer Convair, was the first operational bomber capable of Mach 2 flight. [1] The B-58 was developed during the 1950s for the United States Air Force (USAF) Strategic Air Command (SAC).
Delta Cephei (δ Cep, δ Cephei) is a quadruple star system located approximately 887 light-years away in the northern constellation of Cepheus, the King. At this distance, the visual magnitude of the star is diminished by 0.23 as a result of extinction caused by gas and dust along the line of sight. [5]
Delta Canis Majoris is a supergiant of class F8 with a radius around 215 times that of the Sun. Its surface temperature is around 5,818 K, [9] and it is 17 times more massive than the Sun. Its absolute magnitude is −6.87, [10] and it lies around 1,600 light-years away. It is rotating at a speed of around 28 km/s, and hence may take a year to ...