A massive cluster of yellowish galaxies is seemingly caught in a spider web of eerily distorted background galaxies in this image, taken with the Advanced Camera for Surveys (ACS) aboard NASA's Hubble Space Telescope. Photo by NASA/ESA
This newfound planet, dubbed HIP 13044b, is all that remains of a dwarf galaxy that once orbited the Milky Way. About six billion years ago the Milky Way collided with and mostly absorbed this unnamed galaxy, leaving a trail of stars that now zips around our galaxy at more than 600,000 miles (965,600 kilometers) an hour.
Study leader, Johny Setiawan, an astronomer at the Max-Planck Institute for Astronomy in Germany says "(the planet) likely formed when the star was not yet a part of the Milky Way. It's traveled with the star all this time."
Out of the 500 other planets, so far this one is the only one believed to be born outside of our galaxy.
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