Apparently the clouds are not all that plausible, but they were left in because they were so visually impressive. http://news.sciencemag.org/people-events/2014

Apparently the clouds are not all that plausible, but they were left in because they were so visually impressive. http://news.sciencemag.org/people-events/2014/11/physicist-who-inspired-interstellar-spills-backstory-and-scene-makes-him http://news.sciencemag.org/people-events/2014/11/physicist-w...