The phrase "a planetary system that" is correct and usable in written English.
It can be used when describing or defining a specific type of planetary system and its characteristics or functions.
Example: "A planetary system that includes multiple celestial bodies orbiting a star can provide insights into the formation of planets."
Alternatives: "a solar system that" or "a system of planets that".
It's heartwarming to find a planetary system that finally reminds us of our solar system".
NASA's Kepler mission has unearthed many alternative scenarios for how planets form and migrate in a planetary system that is different from our own.
That is, the scientists said, Trappist-1 is a planetary system that seems tuned to a set of harmonic intervals.
The findings published in Astronomy and Astrophysics —suggest that astronomers have hit an important milestone in their search for a planetary system that might harbor life.
It takes many generations of stars in order to arrive at a planetary system that can have an Earth-like planet with the right levels of heavy element abundance to support life-as-we-know-it.
The scientists reached their conclusion with the help of computer models designed to simulate the evolution of a planetary system that originally lacked deuterium, a heavy form of hydrogen that is found in some water molecules.
Astronomers say they have found a miniature version of our own solar system 5,000 light years across the galaxy — the first planetary system that really looks like our own, with outer giant planets and room for smaller inner planets.
Astronomers said Wednesday that they had found a miniature version of our own solar system 5,000 light-years across the galaxy — the first planetary system that really looks like our own, with outer giant planets and room for smaller inner planets.
If Sedna were captured from another planetary system that rotated in the same direction as the Solar System, then Sedna's population would all possess relatively low inclinations and possess semi-major axes ranging from 100 500 AU.
Kepler 11 is the planetary system that just seems to keep on giving.
Unlike most planetary systems that include only a single hot Jupiter, HATS-59b,c includes, in addition to the transiting hot Jupiter, a massive outer companion.
