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(Left) A composite image that contain a box that marks the location of the possible planet candidate. (Right) An illustration of the possible planet. R. DiStefano et al., Grendler, and M. Weiss/NASA/SAO/ESA
NASA has announced the possibility of the first confirmed planet located outside of the Milky Way galaxy.
Astronomers using NASA’s space-based telescope Chandra X-ray Observatory identified a potential exoplanet in spiral galaxy Messier 51 (M51), also known as the Whirlpool Galaxy.
