An extensive analysis of multiplanetary solar systems relatively intact because their formation indicates that worlds with inclined orbits have a common phenomenon.

Scientists have long wondered why all planets in Earth’s solar system have slightly tilted orbits around the sun. But the new study led by Yale University and published in The astronomical magazine stilt Even planets in pristine systems show some tiltdetails Europe Press.

“This type of configuration, in which the orbit of one planet is precisely arranged with that of another, in an exact integer ratio of orbital periods, It is probably common to find this in a solar system in the early stages of its developmentAstronomer Malena Rice, assistant professor of astronomy at the Yale School of Arts and Sciences and lead author of the study, said in a statement.

“It’s a great setup, but only a small percentage of systems maintain it,” he said. And even in these solar systems, Rice and his co-authors found, planets can have an orbital inclination of as much as 20 degrees.

The researchers began their work by measuring the inclined orbit of TOI-2202 b, a “warm Jupiter” planet in a pristine solar system. A warm Jupiter is a planet much larger than Earth, with an orbital period significantly shorter than Earth’s 365 days.

The researchers compared TOI-2202 b’s orbit with orbit data from the full census of similar planets found in NASA’s Exoplanet Archive. Placed in this broader context, there was a typical tilt of up to 20 degrees for such planets, with the TOI-2202 b system being one of the most tilted systems.

Rice said the discovery provides valuable information about the early development of the solar system and says something important about the Earth system: that a small tilt is normal in the cosmic process.

“It’s reassuring,” Rice said. “This tells us that we are not a super strange solar system. “This is basically like looking at ourselves in a fun mirror and seeing how we fit into the bigger picture of the universe.” (JO)