News in Brief Astronomy

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

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

By Christopher Crockett

- More than 2 years ago

Before the demise of Japan’s latest X-ray satellite, Hitomi, the probe might have put to rest speculation about radiation from dark matter in a cache of galaxies.