[Telegraph]
Cameron, a notorious perfectionist, has admitted re-doing a scene in which character Rose lies on a piece of driftwood after leading expert Neil deGrasse Tyson sent him a “snarky” email.
The American astronomer accused the original film of having the wrong star field for the time and date, 4.20am on April 15, 1912, and claimed Cameron should have known better. …
“And with my reputation as a perfectionist, I should have known that and I should have put the right star field in.”
“So I said ‘All right, send me the right stars for that exact time and I’ll put it in the movie.’
See the full story here: http://www.telegraph.co.uk/culture/film/9179446/Wrong-stars-force-Titanic-3D-scene-to-be-reshot.html