An international team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) found a peculiar dust Ring system around the young triple star GW Orionis.
Comparing to the fact that the size of the orbit of Neptune, the outermost planet in our Solar System, is 30 au, you can see how the rings of GW Ori are huge.
"Each ring contains enough mass to form seeds of giant planets," says Takayuki Muto, a member of the research team and an astronomer at Kogakuin University in Japan.
"We were surprised to see the strong misalignment of the inner ring," says Jiaqing Bi of the University of Victoria in Canada, and leader of the team that published their results in The Astrophysical Journal Letters .
We think that the presence of a planet between these rings is needed to explain why the disk was torn apart," says a team member Nienke van der Marel of the University of Victoria.
Kraus and his colleagues also performed a computer simulation and suggest that the triple star system can create misaligned rings, without gravitational assistance from planets.
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