white smoke

“Thick white smoke rose from the base platform around the alien spacecraft.”

Fictionaut: I Don’t Understand ?

“Behind them, to the left, was the glassy dome of the station, twin trails of white smoke marking the mile-long parallel scars the ship’s guns had cut into the soil in the instant of the Nachief’s savage, wanton attack.”

The Complete Federation Of The Hub

“Kate scrambling upright beside me, I turned to look, and here it came straight for us, a team of immense white horses, manes flying, hoofs pounding, drawing a red-and-brass fire engine, the driver slashing his whip at the horses, a flat stream of white smoke lining out behind it like the wake of a ship.”

Time and Again