When Luke Skywalker emerges from his home on the planet Tatooine, he watches twin suns setting in the sky.
When Luke Skywalker emerges from his home at dusk on the planet Tatooine in"Star Wars: Episode IV - A New Hope," he watches twin suns setting in the sky. The two suns are misaligned, with one lower in the sky than the other.
A fractured disk is difficult to picture, considering that our solar system is pretty flat. This means that all of the planets orbit around the sun in the same plane. A planet formed in this misaligned part of the fractured disk would have a highly unusual orbit. It would likely orbit distantly and at an inclined angle -- and possibly even in reverse, which is called a retrograde orbit.To understand the eccentricities of the GW Orionis system, astronomers observed it for more than 11 years to precisely map the orbits of the three stars.
The observations"revealed the gravitational dance of the three stars in the system," Kraus said. These observations were also combined with computer simulations to help solve the mystery of what caused the disk fracturing.
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