Outer space illustration. (Pixabay / lumina_obscura)
Hitekno.com – Generally a star and planet in a planetary system rotating in the same direction for example, the Sun rotates almost in the exact same direction as Earth’s orbit and the other planets, with a tilt of six degrees.
However, scientists found a star rotating in the opposite direction to the two planets in its system.
The K2-290 system contains a total of three stars, with two planets orbiting their main star, K2-290 A.
Interestingly, K2-290 A rotates at a tilt of 124 degrees compared to the two planets orbiting it. In other words, it rotates in the opposite direction.
The research is published in the journal Proceedings of the National Academy of Sciences. The two planets orbiting K2-290 A are in the same plane, which makes explaining the difference in direction a bit more complicated.
“Maybe it wasn’t the dynamic violent mechanism that caused them to migrate, maybe it was the disc,” said Chris Watson of Queen’s University Belfast. CNET, Wednesday (17/2/2021).
Scientists believe that, given that the system has three stars, the gravitational torsion of the companion star is most likely the cause of K2-290 A’s unique rotation.
“A unique aspect of K2-290 is that a companion star has been detected (K2-290 B), with properties that make it a good candidate for protoplanetary disc misalignment.
Meanwhile, other stars in the K2-290 system may be messing with their rotations and orbits. (Suara.com/Lintang Siltya Utami)
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