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Bizarre Alien World With 3 Stars Directly Imaged

An exoplanet has been found orbiting far from its star in a triple star system, prompting questions as to why it hasn't been sling-shotted into oblivion.

Published On 07/07/2016
2:00 PM EDT
This graphic shows the orbit of the planet in the HD 131399 system (red line) and the orbits of the stars (blue lines). The planet orbits the brightest star in the system, HD 131399A. | ESO
SPHERE observations of the planet HD 131399Ab. | ESO/K. Wagner et al.