8.9K views · 238 reactions | MIKE STERN/JEFF LORBER FUSION, featuring...

The main use of #iridium is as a hardening agent for platinum alloys. With osmium, it forms an alloy that is used for Aerospace tech, spark plugs, and compass bearings. Iridium is used in making crucibles and other equipment that is used at high temperatures. It is also used to make heavy-duty electrical contacts. Color: silvery-white Classification: Iridium is a transition metal Electron shells: 2,8,18,32,15,2 Melting point: 2447 C, 2720 K It has a very high density and melting point. Iridium i

377K views · 169 shares | SpaceX on Friday launched a Falcon 9 rocket carrying 10 satellites for Iridium Communications in Vandenberg Air Force Base, California. The satellites were deployed into low Earth orbit about an hour after liftoff. The 10 new satellites will replace Iridium's entire global satellite network. The three-billion-US-dollar project is scheduled for completion in 2018, with a total of 75 new satellites launched into orbit. | CGTN | Facebook