meteoptic-l [ät] ursa.fi
message archive
This is meteoptic-l [ät] ursa.fi message archive.
Note, your can reply the messages on this page only if your
are already subscribed the list.
» To the end of the list/message
Veikko M{kel{: "Re: Glory on the Ground" (Nov 14, 15:48):
> > I must disagree here a bit. The opposition effect on moon is only
partly
> > caused by disappearance of shadows. There is also significant
> > contribution from coherent backscattered light due to multiple
> > scattering at the lunar surface.
>
>
> The opposition effect or "dry heiligenschein" on ground is caused
> only by disappering shadows, I guess. This effect is seen often
> seen on cutted field (seen as a light pillar better than only
> brightning around anti-solar point), on sandy ground or on forest
> area observed from plane.
>
Do you mean that the brightening of moon is only caused by disappearing
of shadows, or that the term "opposition effect" only consist of this
shadow effect?
|