# Venus cloud aerosols hold 60% water, study finds

2026-08-08T22:45:58+00:00 | World & Diplomacy | Indian Opinion Desk

Corroboration: 1 independent outlet

A re-analysis of 1978 Pioneer Venus data shows that cloud aerosols on Venus contain about 60% water by weight, far above earlier estimates of 25% or less. Researchers led by R. Mogul reinterpreted measurements from the Pioneer Venus Large Probe, which had unknowingly captured and heated cloud particles during its descent. The study, published in the Journal of Geophysical Research, also found comparable amounts of ferric sulfate and sulfuric acid, challenging the long-held view that Venus's clouds are almost entirely concentrated sulfuric acid droplets. The findings raise fresh questions about the chemical diversity and potential habitability of Venus's cloud layer.

## Coverage

- timesofindia.indiatimes.com <https://timesofindia.indiatimes.com/science/venus-clouds-may-contain-60-water-challenging-decades-old-theories-about-the-planets-sulfuric-acid-aerosols/articleshow/133054077.cms>

Tags: clouds, DAVINCI, NASA, Pioneer Venus, Venus, water
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