Perseus galaxy cluster – Astronomy Now

An X-ray ‘cold front’ in Perseus galaxy cluster

29 October 2018 Astronomy Now

A vast cloud of gas being pulled away from the centre of the ancient Perseus galaxy cluster spans an arc stretching some two million light years in an ongoing phenomenon that began five billion years ago.

Hitomi mission glimpses cosmic recipe for the nearby Universe

14 November 2017 Astronomy Now

Thanks to an in-depth look into the composition of gas in the Perseus galaxy cluster, Japan’s Hitomi mission has given scientists new insights into the stellar explosions that formed its chemical elements.

Fermi space telescope expands its search for dark matter

14 August 2016 Astronomy Now

Dark matter, the mysterious substance that constitutes most of the material universe, remains as elusive as ever. Although experiments on the ground and in space have yet to find a trace of dark matter, six or more years of data from NASA’s Fermi Gamma-ray Space Telescope has broadened the mission’s dark matter hunt using some novel approaches.