Planets (not to scale) animated orbits using Bongo Expressions.

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Comment by Danny Boyes on August 12, 2011 at 2:22am
I think this is why films based on true stories are sometimes distorted by Hollywood, it doesn't make for good viewing. I'm going to make a leap of faith here and give "people" the credibility to know that the Sun is not 10x bigger than the Earth. But I take on board what you are saying and next time I would start with the planets at real size and after the first cycle to scale them up to a visible size. Think on this could be done with expressions as well thereby only needing to keyframe the Earth still.
Comment by Luc Adriaenssen on August 12, 2011 at 12:57am

Of course it makes visually no sense to apply the same scale for the planets and orbits. And of course it make no sense to apply the same scale for planets and sun – one would see hardly anything else but the sun (and maybe Jupiter and Saturn). It’s hard to imagine how big the sun really is. And that’s just my point: the video doesn’t do justice to the sun – in spite of the nicely post produced glare – because it gives a false impression about his size, especially to the ignorant.

So I feel that, if you can not display the sun correctly (in consequence of the scaling) it is better not to display it at all, but merely indicate the centre of solar system in a symbolic way - a 3D axis icon or something.

Comment by Danny Boyes on August 11, 2011 at 2:15am

I thought it was better that way than to have tiny dots spinning around the sun.

Planet Size Comparison

Comment by Luc Adriaenssen on August 11, 2011 at 2:07am

Expressions seem to be your cup of tea. The bitmapping of the planet is excellent.

A small comment. Although you state (not to scal), the size of the planets is scaled among them, all but the sun. So now the video give the impression that Jupiter and Saturn are bigger than the sun!?

Anyway, nice going.

Comment by Danny Boyes on August 9, 2011 at 1:26pm

This was an exercise in using the new Expressions feature of Bongo v2.0. A full list of animation variables can be viewed here.


Render was done with Rhino Render in version 5.0 with a post process to get the glare effect of the sun.

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