Sentences with phrase «trace of methane»

In 2004, scientists working with the European Space Agency's Mars Express orbiter reported traces of methane.
But in late March, researchers analyzing data from the European Mars Express satellite reported the planet's atmosphere contains traces of methane, a by - product of bacteria here on Earth.
From October 2012 to June 2013, Curiosity used its Tunable Laser Spectrometer (TLS) six times to search for traces of methane in the Martian atmosphere.
With a pressure 100,000 times less than the Earth's atmosphere, it's consists of nitrogen with traces of methane and carbon monoxide, all of which have sublimated from Plutonian ice.
From first principles, this approach can replicate the most obvious example of atmospheric disequilibrium today on our planet — the presence of oxygen and traces of methane (the latter being the gentle exhalations of the once - mighty methanogen biosphere).
Instead, the rover measured no more than a trace of methane, with an average concentration of a mere 0.18 parts per billion (SN: 10/19/13, p. 7).
In fact, while methane is a atmospheric characteristic of giant gas planets like Jupiter, the only brown dwarf found to even have a trace of methane was Gliese 229 B, which orbits a reddish, M - class dwarf located about 20 light - years away from Earth.
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