NASA has revealed that a whiff of methane has been detected twice in the last couple of years at the Martian surface by the Curiosity Rover. The source of the methane is uncertain. It is not even clear if the methane originated on Mars or arrived there by way of a meteorite that landed on…
Tag: atmosphere
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Earth’s Primordial Atmosphere Lost Due To Relentless Small Impacts
by Staff •
The atmosphere we enjoy on Earth now is drastically different from that which existed in the planet’s early years. Earth’s primordial atmosphere is believed to have been eliminated, although until now it wasn’t very clear how this actually happened. A new study reports that around the time the moon formed, heavy bombardment from small objects…