An Historical Retrospective of the Future: Unexpected X Rays from Perseus Galaxy Cluster via NASA https://t.co/Fz5hcwaOQo https://t.co/HpZURqj5Et

Unexpected X Rays from Perseus Galaxy Cluster via NASA https://t.co/Fz5hcwaOQo https://t.co/HpZURqj5Et

Unexpected X Rays from Perseus Galaxy Cluster via NASA https://t.co/Fz5hcwaOQo http://pic.twitter.com/HpZURqj5Et
— Dean Norris (@geekynerdyone) January 2, 2018

from Twitter https://twitter.com/geekynerdyone

January 02, 2018 at 12:49AM
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