For nearly 50 years, Venus’s clouds have been understood as droplets of concentrated sulfuric acid—but a 2025 reinterpretation of data inadvertently collected by NASA’s Pioneer Venus Large Probe in 1978 suggests their aerosols may instead be about 60 p - Space Daily
Source:Space Daily
An accidental aerosol capture during Pioneer Venus’s descent may have recorded hydrated salts and far more bound water than the standard sulphuric-acid cloud model allows.
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