In November Galileo made its closest pass yet to Jupiter, skimming 89,000 miles above the planet's upper cloud layer. (discovermagazine.com)
There's a mechanism for high direct backscattering at upper cloud surfaces [for an albedo of 0.7, 40 % of the light is directly backscattered]. (climate-resistance.org)
On Saturn, a hydrogen gas planet, ten times the size of Earth, cold in its upper clouds, without a solid surface, and with an atmosphere as deep as that of an ocean, «the hexagonal wavy motion of the jet stream is expected to be propagated vertically and reveal to us aspects of the planet's hidden atmosphere,» pointed out Agustín Sánchez - Lavega, Head of the Planetary Sciences research group. (sciencedaily.com)