Home › Links › APOD: 2015 April 7 – In the Heart of the Virgo Cluster APOD: 2015 April 7 – In the Heart of the Virgo Cluster April 7, 2015 • Updated Mar 28, 2019 • Links • 1 min read APOD: 2015 April 7 – In the Heart of the Virgo Cluster.