Dust played vital role in universe – astronomers


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Dust played vital role in universe – astronomers

NASA; ESA; L. Bradley (Johns Hop

Astronomers have found that dust played an important role in the infancy of the Universe. They observed a galaxy called A1689-zD1 and found that it was consistently forming stars by about 560 million years after the Big Bang. “It is a galaxy of modest size, and yet it is already full of dust. This is very surprising and it tells us that ordinary galaxies were enriched with the heavier elements far faster than expected,” one of the astronomers said. Grains of dust are the building blocks of the cosmos. They are formed in the nuclear combustion of a star.

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