Post by sherlew99 on May 3, 2017 8:55:46 GMT -6 OMG check this out. Space.comGigantic X-Ray Tsunami Rolls Through Galaxy Cluster (Video, Photos)By Mike Wall, Space.com Senior Writer | May 3, 2017 06:56am ET A wave of hot gas twice as wide as the Milky Way galaxy roils the nearby Perseus galaxy cluster, a new study indicates.Click here for the rest.