Venusian volcanoes may be spewing sulphur dioxide into its atmosphere

Dec 3, 2012 Full story:

ESA's Venus Express have detected large changes in the sulphur dioxide content of the planet's atmosphere, and astronomers suspect volcanic eruptions behind it.

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“Geologist [I'm Climate Change]”

Since: Mar 07


#1 Dec 5, 2012
Nice article which took a while to load.

Appears that the H2SO4 content of the cloud decks will increase in time as a result of reactions between sunlight and SO2.

The difficulty here is whether thermal dissociation of H2SO4 in the deep atmosphere from acid rain results in SO2 or SO3. If it is SO2 that is the product then it may not be a purely volcanic feature.

Volcanism however will produce the SO2 so it obviously must be there.

Have a nice day: Ag

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