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Groups, Clusters and Clusters of Clusters. Hickson-Arp. Rich Clusters -- nearby Virgo and Fornax. Virgo. Fornax. Virgo. Fornax – X ray. Giant Clusters – Coma and Perseus. Coma. Perseus. Gravitational Lensing. Einstein ring . - PowerPoint PPT Presentation
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Groups, Clusters and Clusters of Clusters
Hickson-Arp
Rich Clusters -- nearby Virgo and Fornax
Virgo
Fornax
Virgo
Fornax – X ray
Giant Clusters – Coma and Perseus
Coma
Perseus
Gravitational Lensing
Einstein ring