Observatoire des droits humains (anglais seulement)

Venus: proof of active volcanoes – at last

(Version anglaise seulement)

par David Rothery, Professor of Planetary Geosciences, The Open University

Venus is almost the same size, mass and density as Earth. So it should be generating heat in its interior (by the decay of radioactive elements) at much the same rate as the Earth does. On Earth, one of the main ways in which this heat leaks out is via volcanic eruptions. During an average year, at least 50 volcanoes erupt.

But despite decades of looking, we’ve not seen clear signs of volcanic eruptions on Venus – until now. A new study by geophysicist Robert Herrick of the University of Alaska, Fairbanks, which…

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