A handout photo released on Monday shows an optical image of one of the isolated galaxy groups observed with the Magellan Telescope in Chile. The first sighting of clustered dwarf galaxies bolsters a leading theory about how big galaxies such as our Milky Way are formed, and how dark matter binds them. Photo: AFP A handout photo released on Monday shows an optical image of one of the isolated galaxy groups observed with the Magellan Telescope in Chile. The first sighting of clustered dwarf galaxies bolsters a leading theory about how big galaxies such as our Milky Way are formed, and how dark matter binds them. Photo: AFP
A handout photo released on Monday shows an optical image of one of the isolated galaxy groups observed with the Magellan Telescope in Chile. The first sighting of clustered dwarf galaxies bolsters a leading theory about how big galaxies such as our Milky Way are formed, and how dark matter binds them. Photo: AFP

First sighting of clustered dwarf galaxies sheds light on dark matter

A handout photo released on Monday shows an optical image of one of the isolated galaxy groups observed with the Magellan Telescope in Chile. The first sighting of clustered dwarf galaxies bolsters a leading theory about how big galaxies such as our Milky Way are formed, and how dark matter binds them. Photo: AFP A handout photo released on Monday shows an optical image of one of the isolated galaxy groups observed with the Magellan Telescope in Chile. The first sighting of clustered dwarf galaxies bolsters a leading theory about how big galaxies such as our Milky Way are formed, and how dark matter binds them. Photo: AFP
A handout photo released on Monday shows an optical image of one of the isolated galaxy groups observed with the Magellan Telescope in Chile. The first sighting of clustered dwarf galaxies bolsters a leading theory about how big galaxies such as our Milky Way are formed, and how dark matter binds them. Photo: AFP
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