Recent Examples of iridium from the Web
Geologists soon found a similar iridium layer at the same geological strata in other parts of the world.
Iron meteorites: Typically consist of approximately 90 to 95% iron, with the remainder comprised of nickel and trace amounts of heavy metals, including iridium, gallium and sometimes gold.
In 2011, researchers led by Richard Masel, a chemist and CEO of Dioxide Materials in Boca Raton, Florida, tested a setup with silver and iridium oxide catalysts and a liquid electrolyte to promote the CO2 to CO reaction.
When the Earth was forming, most iridium sank below the molten crust.
Project officials said once the iridium melts, the plutonium will be dispersed into the atmosphere.
Ni says the company is looking for cheaper options to replace iridium, a rare and expensive metal.
There is reason to believe that some asteroids are rich in valuable metals, such as platinum and iridium.
The most resilient bits will likely be the casings around its plutonium power source — the 72 marshmallow-sized pellets are encased in iridium and graphite containers designed to withstand re-entry into Earth's atmosphere or an explosion at launch.
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Origin and Etymology of iridium
First Known Use: 1804See Words from the same year
IRIDIUM Defined for Kids
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