Dark matter candidate particles are a no-show in Hitomi data
Satellite fails to find previously reported X-rays from galaxy cluster
![Perseus galaxy cluster](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/08/081116_CR_hitomi_main_free.jpg?fit=860%2C460&ssl=1)
X-rays from the Perseus galaxy cluster (pictured) could have been a signpost for dark matter particles, but the Hitomi satellite turned up no sign of the radiation.
R. Jay GaBany