Huygens will
sample methane in the atmosphere and measure the relative abundance of light hydrogen and heavy hydrogen to produce a chemical fingerprint that will enable scientists to compare Titan's composition with that of comets.
Not exact matches
The rover's
Sample Analysis at Mars (SAM) instrument that analyzes the soil and
atmosphere around the rover using a mass spectrometer, a gas chromatograph and a tunable laser spectrometer to detect oxygen and carbon isotopes
in carbon dioxide and
methane samples to see if they are biochemical
in origin.
As Curiosity carries on, researchers plan to analyze soil and sediment
samples for organic material and to team up with Mars orbiters to search for
methane patterns
in the
atmosphere.
While most of the built up
methane was consumed by the end of the anoxic period,
methane concentrations measured
in surface water
samples in June and September suggest that there was still a significant flux of
methane to the
atmosphere.
And a new study by US scientists shows that tree trunks
in at least one
sample of an upland forest actually emit
methane into the
atmosphere.
In Actuality, air
sampling surveys over ESAS yield a calculated annual flux to the
atmosphere of 8 Tg C - CH ₄ (Shakhova et al., 2010), a figure 200 x higher than the model estimate (at Year - 1 of this 100 - kyr - scale warming) and equivalent to the
methane emissions of the entire world's oceans.