Object circles the solar system in the opposite direction as all the planets
© 2017 Western Univ., Athabasca Univ., Large Binocular Telescope Observatory
One of Jupiter’s companions is a bit of a nonconformist.
The gas giant shares its orbit around the sun with a slew of asteroids, but scientists have now discovered one that goes against the flow. It journeys around the solar system in reverse — in the opposite direction of Jupiter and all the other planets. Asteroid 2015 BZ509 is the first object found that orbits in the same region as a planet but travels backward, researchers from Canada and the United States report March 30 in Nature.
Backward-going asteroids are rare — only 0.01 percent of known asteroids are in