"in a distant sky" is a correct phrase and can be used in written English.
It is often used to indicate something far away or out of reach. Here are a few examples: - The birds flew high in the distant sky, disappearing into the clouds. - She gazed into the distant sky, lost in thought. - The castle stood proudly on a hilltop, its towers touching the distant sky. - The ship sailed towards the distant horizon, its sails billowing in the wind. - As the sun set in the distant sky, the city lights began to twinkle.
Every month from a distant sky it came -- a reel to reel tape wrapped in plain brown paper and bearing the name of PFC Michael J. Simmons, Vietnam.
It depicts a tiny, white-cloaked Jesus gazing at a small white cross high in the distant sky in a mountain setting that might have been painted by Bierstadt.
In the Madonna of Chancellor Rolin a golden light hangs in the distant sky and a cool shady atmosphere pervades the palatial chamber; below is a densely packed town on the shores of a shining river, an archetypally Flemish scene of everyday life witnessed by two little men looking over a parapet.
Yet like messages in an electronic bottle from people marooned in some distant sky, their last words narrate a world that was coming undone.
During Napoleon's Egyptian Campaign, the French soldiers had a hard time with the khamsin wind: when the storm appeared "as a blood-stint in the distant sky", the natives went to take cover, while the French "did not react until it was too late, then choked and fainted in the blinding, suffocating walls of dust".
An image of men in black uniforms standing guard on a neatly groomed lawn outside a tent emblazoned with Turkey's star-and-crescent flag and a giant likeness of an erstwhile military leader, with a hot-air balloon floating away in the distant sky, has terrific cinematic resonance.
You had to get accustomed to spotting his gawky figure, constellation of elbows and harmonica holder, in the distant sky".
The water shined in the dying light, and the distant sky had transformed into a canvas of purples and reds, soon to become grey, then black.
On the TV, just above the threshold of sound, somebody was whispering about the mechanics of golf while the camera flowed over an expanse of emerald fairways and a tiny white ball rose up into the sky in a distant looping trajectory.
