Galaxy’s Core is Packed With Dark Matter

Chandra X-ray observations of galaxy Markarian 1216 has revealed that it contains “more dark matter packed into its core than expected,” according to NASA. -- Ancient Galaxy in the 'Sea Serpent' Has More Dark Matter Than Expected: https://www.space.com/sea-serpent-galaxy-dark-matter-markarian-1216.html Credit: NASA/CXC/A. Hobart