Astronomers identify the ‘poor old heart of the Milky Way’

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  • BBC News World

image source, H. -W. REX/MPIA

A team of researchers from the Max Planck Institute for Astronomy (MPIA) has identified, in the central regions of our galaxy, the “poor old heart of the Milky Way”.

These were the words they used to refer to a Star residents formed in the early history of the Milky Way, more than 12.5 billion years.

Astronomers made this discovery by analyzing the latest information from the European Space Agency’s Gaia mission, using a neural network to extract mineral Two million bright giant stars in the inner regions of our galaxy.

Metallicity is the amount of chemical elements heavier than helium contained in a star’s atmosphere (the less metallic it is, the older the star).

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