The three gases with the highest percentages in the atmosphere are all elements: 78% nitrogen, N₂ 21% oxygen, O₂ 0.9% argon, Ar These three gases make up 99.9% of the atmosphere.

While it was already known that Brussels ponds were sources of greenhouse gases to the atmosphere, a scientific study by ...

The Earth’s atmosphere is a complex and dynamic envelope comprised primarily of nitrogen and oxygen, with trace gases such as carbon dioxide, methane, water vapour and ozone playing outsized ...

While it was already known that Brussels ponds were sources of greenhouse gases to the atmosphere, a scientific study by ...

However, the measurements raise as many questions about the planet’s atmospheric composition as they answer. “This is the first super-Earth known to have an atmosphere,” said Bean.

British astronomers have found evidence of water in the atmosphere of a gas giant 64 light years from Earth, the first discovery of water in an extrasolar planet, they say.

Kuljeet Grewal, an assistant professor at UPEI’s faculty of sustainable design engineering, recently explained the effects of greenhouse gas emissions into the Earth’s atmosphere.