Have astronomers just discovered the first exoplanet outside our galaxy?
NASA’s Chandra X-ray Observatory may have spotted the first exoplanet outside our Milky Way galaxy. Located in Messier 51 (M51), also known as the Whirlpool Galaxy, the giant exoplanet candidate circles a black hole or neutron star 28 million light yea… Continue reading Have astronomers just discovered the first exoplanet outside our galaxy?