The book Pioneering Venus a Planet Unveiled was written by author Richard O Fimmel Here you can read free online of Pioneering Venus a Planet Unveiled book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Pioneering Venus a Planet Unveiled a good or bad book?
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Known processes for the formation of light- ning on Earth require large particles and strong updrafts in cloud regions. Potential latent instability (the difference between the rate at which the temperature would vary with altitude in an idealized atmosphere and the actual lapse rate) is a measure of the tendency of the atmosphere to overturn and undergo convective motion. Scientists found evidence of planet-wide instability in Venus' middle cloud region. There, updrafts probably occur over a l...imited altitude range from 50 to 56 km (30 to 35 miles). However, there is no direct evidence for large precipitative-type particles similar to rain or hail. Thus, if cloud processes generate lightning, then large undetected particles may exist in Venus' atmosphere. Lightning could be the result of local, large- scale events such as volcanic eruptions or strong and still undetected convective motions at the subsolar point. Also, because the cloud base is roughly 45 to 50 km (28 to 31 miles) above the surface, lightning flashes on Venus would most likely be from cloud to cloud rather than from clouds to ground.
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