Methane on Mars: does it mean the Curiosity rover has found life?

publicerad 18 december 2014
- av NewsVoice

Curiosity rover

THE GUARDIAN. Nasa’s announcement of the discovery of methane – which on Earth comes largely from life – has sparked speculations.

Photo: Nasa/JPL-Caltech/MSSS/EPA

The results are certainly tantalising. From time to time, Mars belches out clouds of methane, a gas that on Earth comes largely from life. When animals and other organisms eat food they produce methane as a waste gas. From one end or the other, that gas ultimately finds its way out into the air.

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