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We found a dead twin of the milky Way

Найден мертвый близнец Млечного ПутиThe cause of “premature aging” are the extremely high rate of star birth.

An international team of astronomers has discovered a dead galaxy that age is comparable with the Milky Way. Scientists believe that the cause of “premature aging” are the extremely high rate of star birth. Their paper published in the journal Nature.

Galaxy ZF-COSMOS-20115, distant from the Earth about 12 billion light-years away, was formed through the 1.65 billion years after the Big Bang. It is relatively small in size, but has a high density. In a region of space, the diameter of which is equal to the distance from the Sun to the Orion nebula contains about 300 billion stars.

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Scientists explored the galaxy with telescopes of the Keck Observatory, located on the Hawaiian archipelago. It turned out that at the age of 700 million years, the rate of star formation at ZF-COSMOS-20115 was five thousand times higher. This speed has led to the fact that the galaxy has exhausted its “fuel” in less than a hundred million years.

According to the researchers, the evolution of the ZF-COSMOS-20115 not fit into any of the existing theoretical models. Therefore, it is impossible to determine the causes of rapid star formation.

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