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Earth's atmosphere is a mixture of gases that are ... It is a non-reactive gas, so it doesn't easily mix with other elements. The second most common component is oxygen, making up around 20% ...

Imagine a world where the very air we breathe is slowly, naturally, beginning to thin out. While our planet's vibrant ...

On Earth, barium appears in the night ... aren’t sure what natural process is causing the heavy element to appear so high in the atmosphere of these gas giants. The research team used the ...

In total, the study identified 20 different metallic elements that do not naturally occur in Earth's atmosphere, including silver, iron, lead, magnesium, titanium, beryllium, chromium, nickel and ...

In his new book, Elemental: How Five Elements Changed Earth’s Past and Will Shape Our Future ... and also catastrophic change—from the time cyanobacteria started flooding the atmosphere with oxygen, ...

decomposing into their elements, mostly aluminum, with some copper and lithium. That’s changing the atmosphere in ways that threaten the Earth’s protective ozone layer. Observed from Earth ...

Using this, we have discovered seven elements ... any exoplanet’s atmosphere”, says Nicholas Borsato, PhD student in astrophysics at Lund University. Terbium is a rare earth metal that ...