Dunk, have you seen this? It's absolutely hilarious! Neil deGrasse Tyson has something to say about James Cameron getting the sky wrong in Titanic. Oh my gosh, this is ridiculously entertaining- Neil is such a great story teller.
It only goes for 6 mins- just enough time for a quick cuppa.
https://www.youtube.com/watch?v=8B6jSfRuptY