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Vor 2 Tagen · Iridium is a chemical element; it has symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, it is considered the second-densest naturally occurring metal (after osmium) with a density of 22.56 g/cm 3 (0.815 lb/cu in) as defined by experimental X-ray crystallography.
Vor 21 Stunden · Aktueller Iridiumpreis in Euro und Dollar je Kilogramm, Unze und Gramm. Preisentwicklung der letzten 10 Jahre im Chart auf GOLD.DE.
Vor 2 Tagen · Iridium is extremely rare in Earth's crust because it is a siderophile element which mostly sank along with iron into Earth's core during planetary differentiation. Instead, iridium is more common in comets and asteroids. Because of this, the Alvarez team suggested that an asteroid struck the Earth at the time of the K–Pg boundary.
Image: Iridium. Iridium-NEXT is a low-orbiting communications satellite system operated by Iridium Communications Inc. as the company’s second generation global communications system for satellite calls and data transfer. Comprised of 66 active satellites in orbit, Iridium-NEXT delivers full global coverage on a 24/7 basis and, through a ...
Vor einem Tag · Palladium is also used in electronics, dentistry, medicine, hydrogen purification, chemical applications, groundwater treatment, and jewelry. Palladium is a key component of fuel cells, in which hydrogen and oxygen react to produce electricity, heat, and water. Ore deposits of palladium and other PGMs are rare.
Vor 5 Tagen · Iridium Communications Inc.: Kurs, Charts, Kurse, Empfehlungen, Fundamentaldaten, Echtzeitnews und Analysen Aktie Iridium Communications Inc. | A0YB48 | US46269C1027 | Nasdaq
Vor 4 Tagen · Iridium Communications Inc. ist ein kommerzieller Anbieter von Kommunikationsdiensten. Das Unternehmen bietet mobile Sprach- und Datenkommunikationsdienste über eine Konstellation von Satelliten in der Umlaufbahn an. Das Unternehmen bietet Sprach- und Datenkommunikationsdienste für Unternehmen, die Regierungen der Vereinigten ...
