The Stars Seen from Valencia
Scientists from Valencia, in collaboration with colleagues from Granada, Cádiz and the Canary Islands, have been able to accurately measure the structure of an object next to a black hole with the mass of a thousand million stars some 5,000 million light years from Earth.
This success has been possible thanks to the gravitational lens effect, caused by the stars located between Earth and the black hole, often referred to as an Einstein Ring after the scientist who posited the idea.
The black hole in question is referred to affectionately by scientists as Q2237+0305.
The images were obtained as part of the Optical Gravitational Lensing Experiment, part of the Gravitational Lensing International Time Project over a period of a year, in which University of Valencia astro physicist José Antonio Muñoz participated.
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