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Brightest Galaxy in Early Universe named after Cristiano Ronaldo as CR7

CR7 is three times brighter than the brightest distant galaxy known till now. This brightest galaxy was discovered in the early universe that contains the first generation of stars.

Jun 20, 2015 13:13 IST
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CR7 (COSMOS Redshift 7)Scientists in third week of June 2015 named a newly discovered galaxy after Portuguese football player Cristiano Ronaldo. The galaxy was labeled as CR7 (COSMOS Redshift 7).

30-year-old Cristiano Ronaldo is also known as CR7 after his initials and jersey number.

CR7 is three times brighter than the brightest distant galaxy known till now, called Himiko. This brightest galaxy was discovered in the early universe that contains the first generation of stars.

First generation of stars, known as Population III stars, which were born out of the primoridial material from the Big Bang has been theorised by astronomers but physical proof of their existence had been inconclusive.

According to theories, these Population III stars would have been enormous, several hundred or even a thousand times more massive than the Sun, blazing hot, and transient, exploding as supernovae after only about two million years.

The Galaxy in the ancient Universe (period known as reionization), which existed 800 million years after the Big Bang was discovered by a team led by David Sobral from the University of Lisbon in Portugal, and Leiden Observatory in the Netherlands. For this discovery, they used ESO’s Very Large Telescope (VLT).

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