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The Space Launch System ( SLS) is an American super heavy-lift expendable launch vehicle used by NASA. As the primary launch vehicle of the Artemis Moon landing program, SLS is designed to launch the crewed Orion spacecraft on a trans-lunar trajectory. The first SLS launch was the uncrewed Artemis 1, which took place on 16 November 2022.
Surface-to-air defence systems variants came later, with the short-range IRIS-T SLS fielded in 2015, and the medium-range IRIS-T SLM fielded in 2022. One IRIS-T SLM battery, as supplied by Germany to Ukraine, consists of three truck-mounted launchers, carrying eight missiles each (with a range of 40 kilometres or 25 miles), and a separate ...
Sodium dodecyl sulfate ( SDS) or sodium lauryl sulfate ( SLS ), sometimes written sodium laurilsulfate, is an organic compound with the formula CH3(CH2)11OSO3Na and structure H 3 C − (CH 2) 11−O− S (=O) 2−O−Na+. It is an anionic surfactant used in many cleaning and hygiene products. This compound is the sodium salt of the 12-carbon ...
List of Artemis missions. The Artemis program is a human spaceflight program by the United States. The Artemis program is intended to reestablish a human presence on the Moon for the first time since Apollo 17 in 1972; mid-term objectives include establishing an international expedition team, and a sustainable human presence on the Moon.
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Sjögren–Larsson syndrome is a rare autosomal recessive form of ichthyosis with neurological symptoms. [1] : 485 [2] : 564 [3] It can be identified by a triad of medical disorders. The first is ichthyosis, which is a buildup of skin to form a scale-like covering that causes dry skin and other problems. The second identifier is paraplegia ...
Sim Lim Square has six stories of shops, offering mainly electronic and IT products. Sim Lim Square (Chinese: 森林商業中心, Pinyin: Sēn Lín Shāngyè Zhōngxīn), commonly referred to as SLS, is a large retail complex in Singapore that offers a wide variety of electronic goods and services including cameras, phones, video cameras, and computer parts and servicing.
Gull-wing door. In the automotive industry, a gull-wing door, also known as a falcon-wing door or an up-door, is a car door that is hinged at the roof rather than the side, as pioneered by Mercedes-Benz 300 SL, first as a race car in 1952 ( W194 ), and then as a production sports car in 1954. Opening upwards, the doors evoke the image of a ...