Galactic lens reveals its inner self

A kaleidoscopic image produced by a cluster of galaxies acting as a gravitational lens may reveal the complex distribution of matter within the lens itself, a newly released Hubble Space Telescope image reveals. Gravitational lenses are produced by concentrations of mass – stars and galaxies as well as mysterious dark matter – that bend the path of light passing near them. They often produce multiple images of a single object behind them.

Site – http://www.newscientistspace.com

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