Cloud droplets tend to scatter light efficiently, so that the intensity of the solar radiation decreases with depth into the gases. As a result, the cloud base can vary from a very light to very-dark-grey depending on the cloud's thickness and how much light is being reflected or transmitted back to the observer.
Superwoman, whose birth name is Lilly Saini Singh, carries the title of the most famous YouTuber of Indian descent. Since she started in October 2010, her videos have received more than a billion views, and her channel has reached 8.5 million subscribers and counting.
PewDiePie is closing in on the 30m subscribers milestone on YouTube. PewDiePie still world's biggest YouTube star with 351m views in June. Felix Arvid Ulf Kjellberg â aka PewDiePie â remains the most popular star on YouTube, with his gaming channel generating 351m views in June 2014 alone. That's more than 8,100 views a minute on average, fuelled by the UK-based Swede's huge fanbase on Google's video service.