Is this scene happening on Earth? I mean, perhaps this scene was made completely with CG effects. But if not, which waterfall looks like that? Please, answer with images and sources.
1 Answer
It was filmed at Dettifoss.
Scott used Dettifoss, in Iceland, as the filming location for the scene (many thanks to @Paul D. Waite for the link). The links provided show that very little except the spaceship was changed in post-production.
But its location in the fiction of the story is deliberately undetermined.
From this movies.com interview with Ridley Scott:
Movies.com: That is our planet, right?
RS: No, it doesn’t have to be. That could be anywhere. That could be a planet anywhere. All he’s doing is acting as a gardener in space.
So it could be Earth, but it might not be, and it doesn't matter to Scott or the story; that scene exists as a generic representative of a process which occurred on an unknown-but-large number of worlds (including Earth) in much the same way.
And it's certainly not meant to be Dettifoss, Niagara, or any of the world's other current waterfalls. 3.5 to 4 billion years ago --roughly when life first showed up on Earth-- Niagara Falls didn't exist (it was first dug out by glaciation 10,000 years ago), and neither did the crust on which all of our modern waterfalls sit.
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2Regarding Dettifoss: as Wikipedia mentions, you’re quite right — that’s where they filmed the waterfall scenes. Commented Apr 22, 2013 at 0:17
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@PaulD.Waite Wow, I was just skimming through photos and moving too fast to read the words. Thanks, I'll edit that in.– BESWCommented Apr 22, 2013 at 0:26
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Dettifoss is exact answer. The part about "anywhere" is implied, so it's better to move it in comment.– yakuninsCommented Apr 22, 2013 at 5:18
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1@yakunins Sorry, I thought that since you were asking which planet the waterfall was on, you were primarily concerned with in-film locations rather than real-life filming locations (which you only mentioned in your own comment to the question).– BESWCommented Apr 22, 2013 at 5:27
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@BESW I thought on a chance that the whole scene is 3D-fiction, even if it looks so realistic. Anyway answer is pretty clear, thank you!– yakuninsCommented Apr 22, 2013 at 5:34