I slumped down on the bench and gazed out at Venus's yellowish clouds.

Instead, like a cropduster, it left a trail of smoke in its wake, a thick yellowish cloud that settled heavily on the ground.

There was a sound like a thunderclap, and down from the sky rained a suffocating, yellowish cloud of gas.

But the sky seemed clear, stars bright, with no sign of the low yellowish clouds that marked another acid rainstorm.

There was a yellowish cloud low on the horizon.

A yellowish cloud of vapor enveloped it, spreading rapidly outward.

Retief pushed through toward an open door from which dense yellowish clouds were pouring, layering out at chest height.

The two warships were locked inside a yellowish cloud that pulsated with flashes of orange and white light.

They were at the front door, aiming toward The Shadow, who had somehow come to his feet amid a yellowish cloud.

The greenish sky with rare brushstrokes of yellowish clouds - what does that symbolise?