ngc

  • Aussie Radio Telescope Spots Possible ‘Polar Ring’ Galaxy

    Aussie Radio Telescope Spots Possible ‘Polar Ring’ Galaxy

    A radio telescope in Australia recently captured a stunning image of NGC 4632, a galaxy some 56 million light-years from Earth. The image reveals a halo of cool hydrogen orbiting perpendicular to the galaxy itself. This ring—a “polar ring”—makes NGC 4632 a polar ring galaxy. The hydrogen gas encircling the galaxy is invisible to optical…