Cheap & Easy planet glow using a single vertex obj with halo, parented to the planet obj.
Nice. The only problem is its flat, so there is no added colour over the planet, only around the edge. Have you tried using ramps for falloff to complete the effect?
I have tried a number of things to tweak the effect, at the same time keeping it simple. So far I am running into some limitations with respect to halo materials.
Not as cheap, not as easy, but looking a little better.
Used an additional object with static particles, halo material and parenting/tracking to keeo things in line with the camera.
Hmmmmm. It looks weird how the glow is still pronounced when the edge of the planet is in shadow. I don’t know if this is right or not. Try doing the “sun” from a different angle and see if it still looks good. Props for sharing