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Source:Phys.OrgKELT-9 b is the hottest exoplanet known to date. In the summer of 2018, a joint team of astronomers from the universities of Bern and Geneva found signatures of gaseous iron and titanium in its atmosphere. Now these researchers have also been able to detect traces of vaporized sodium, magnesium, chromium, and the rare-Earth metals scandium and yttrium.Exoplanets are planets outside our solar system that orbit around stars other than the Sun. Since the discovery of the first exoplanets in the mid-90's, well over 3000 exoplanets have been discovered. Many of these planets are ...
Release time: 2019 - 05 - 14
viewed:11
Source:Proactive Investors UKRainbow continues to believe in the prospects for the Gakara Project and is confident that investment in new mining machinery and new pits will serve as the foundation for a sustainable and profitable operationRainbow Rare Earths Ltd (LON:RBW) has secured a new funding agreement with its major shareholder, Pella Ventures.Pella has given Rainbow an unsecured 12-month 15% loan of US$700,000 to support the rare earth element mining company’s development and operations.The company said it expects to achieve cash-flow break-even in the second quarter of the next financi...
Release time: 2019 - 05 - 14
viewed:15
Source:Nanowerk(Nanowerk Spotlight) Despite their name, rare earth elements, which are all metals, actually are not that rare. But while they aren't necessarily tricky to find, the elements often occur together and are extremely difficult to separate and extract.Abundant in mines around the world, rare earth elements are a group of chemical elements that occur together in the periodic table. The group consists of yttrium and the 15 lanthanide elements (lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytte...
Release time: 2019 - 05 - 13
viewed:12
Source:JSTOR DailyRenewable power technologies such as wind and solar are becoming economically competitive with fossil fuels. As ecological need and economic reality converge, renewables are going to make up an increasingly large percentage of the world’s power supply. It’s a necessary technological transition. But at the same time, renewables have a downside that needs to be addressed: rare earth elements.According to environmental attorney Christopher “Smitty” Smith, rare earth elements are used in virtually all electronics. This includes solar panels, which require rare earth metals such a...
Release time: 2019 - 05 - 08
viewed:2
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