A European space telescope has revealed extensive details of the stellar diversity within our Milky Way, which will help scientists to reconstruct the galaxy’s evolution and predict its development billions of years into the future.
Astronomers are using new data from the Gaia observatory to map the movements and chemical signatures of almost 2bn stars — giants and dwarfs, old and young — including some vibrating violently during events known as “starquakes”.
The multidimensional cosmic survey was released on Monday by the European Space Agency (ESA). Astronomers compared its impact on their field to genomic analysis in biology.
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