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Abell 2218

Abell 2218 is a galaxy cluster about 2 billion light years away. It has been used as a gravitational lens to discover the most distant object that is known in the universe, starting from 2004. The object, a galaxy about 13 billion years away, can be seen from the Earth as if it was only 750 million years after the Big Bang. Credits: Hubble Space Telescope, NASA/ESA

With the sponsorship of the Italian Ministry of Education, Universities and Research
 
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