This ‘polar ring’ galaxy looks like an eye. Others might be hiding in plain sight
Certain rings encircling galaxies might not be as rare as once thought
![A composite image of the starry disk of galaxy NGC 4632.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2023/09/091823_ec_polar_ring_galaxy_feat.jpg?fit=1030%2C580&ssl=1)
The starry disk of galaxy NGC 4632, shown in this composite image, is encircled by what’s probably a rare “polar ring” of mostly hydrogen gas visible only at radio wavelengths.
N. Deg et al/Monthly Notices of the Royal Astronomical Society 2023