The phrase "alignment of stars" is correct and usable in written English.
It can be used metaphorically to describe a situation where various factors come together favorably or when events seem to happen by chance in a beneficial way.
Example: "It felt like the alignment of stars when I got the job offer just after I graduated."
Alternatives: "convergence of circumstances" or "favorable conditions".
Followers of astrology believe the alignment of stars and planets influences human affairs.
Television record keepers immediately wondered if such an alignment of stars had ever happened before.
Perhaps there really was a flattering alignment of stars that night.
A1 OEC's Future Not as Bright Members of the Organization of the Petroleum Exporting Countries have been enjoying what has been, to them, a perfect alignment of stars: high prices along with high production and high demand.
All four men were insiders who understood the culture of intelligence-gathering. "There hadn't been this kind of alignment of stars in the more than forty years of my experience in the intelligence community," Gates said.
It all sounded nice except that pro basketball at the highest playoff levels is about the alignment of stars — or co-stars — and trying to attain that enlightened state of championship co-existence.
Because researchers were observing only a very narrow slice of the sky — and because observing the objects requires a very precise alignment of star, object and Earth — they extrapolated that the objects are quite numerous, outnumbering the billions of stars in the galaxy by a ratio of at least 2 to 1.
MOA-2009-BLG-387 was a gravitational microlensing event detected by the Microlensing Observations in Astrophysics collaboration on July 24 , 2009 which searches and documents chance and brief alignments of stars with other stars or objects; such alignments cause a gravitational lens effect, which bends light and causes distorted, but magnified, images that can be interpreted.
Yet the fault, it seems, may not have been in him or Mr. Mattson but in the stars, or rather the alignment of the stars long used by astrologers.
It was an alignment of the stars.
Yet success will require the alignment of many stars.
