Perseus Cluster (Abell 426, NGC 1275 Cluster, LGG 88) → galaxy cluster → d⊕ 240.05 Mly → Perseus _ Chandra X-ray Observatory _ xa_astro_perseus.jpg
Perseus Cluster (Abell 426, NGC 1275 Cluster, LGG 88) → galaxy cluster → d⊕ 240.05 Mly → Perseus _ Chandra X-ray Observatory _ xa_perseus.jpg
