As a general rule, as accurate as possible.
As you zoom in, the tail would still be visible. For the boy itself, there
are some OBJ files available for some of the more major comets. For ones
where these are not available, perhaps there is a library of OBJ files that
could be sleected from based on composition, or some-such. As for seeing
venting, that would definitely be nice.
For the other questions, 'yes'. :)
On Mon, Apr 30, 2012 at 2:28 PM, Kristen Aw <[email protected]> wrote:
> Hi,
>
> I was just wondering about the level of detail in comet rendering that
> Stellarium wants. Currently, from afar, the comets are balls of light, and
> when zoomed into, are rotating spheres with some crater-map. I understand
> that the plasma tail comes out cone-shaped, and appears at 1.5 AU, the dust
> tail appears at about 3 AU, and the coma is visible when it passes Jupiter
> (5 AU). And that the brightness of the coma/ length of tail increases as
> the comet approaches the Sun.
>
> So, from afar, a comet would have a coma and tails. But what about when
> they are zoomed into? I guess it would have an irregular potato shape like
> Hartley, but as it releases gas/dust, should we be able the material coming
> out from vents, as the nucleus rotates...?
>
> And also, should we be able to calculate if the observer sees an antitail
> (due to parallax), and whether the dust tail is viewed head on (it would be
> seen as a fan on a plane) or directly from the side (it would be seen as a
> straight line)?
>
> I'm not sure how feasible the above is, so I'm just asking.
>
> Thanks
>
>
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