We continue our rare-earth series with praseodymium. It’s sometimes called the green metal because it tarnishes so quickly that if you leave a small block of it on the shelf
Gary Hanington is Professor Emeritus of physical science at Great Basin College and Chief Scientist at AHV. He can be reached at gary.hanington@gbcnv.edu.
The rare metal terbium has been found in an exoplanet’s atmosphere for the first time. Researchers at Lund University in Sweden have also developed a new method for analyzing exoplanets, making it possible to study them in more detail. KELT-9 b is the galaxy’s hottest exoplanet, orbiting its dist
Astronomers have struck terbium, a rare metal, in the atmosphere of an exoplanet — planets revolving around a star outside our solar system — 670 lightyears away from Earth.This.
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