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European ‘star survey’ reveals celestial treasure trove

This map shows the interstellar dust that fills the Milky Way. The dark regions in the centre of the Galactic plane in black are the regions with a lot of interstellar dust fading to the yellow as the amount of dust decreases.The dark blue regions above and below the Galactic plane are regions where there is little dust. (ESA Handout via AP)

This all-sky view provided by European Space Agency on Monday, June 13, 2022 shows a sample of the Milky Way stars in Gaia’s data release 3. The colour indicates the stellar metallicity. Redder stars are richer in metals. (ESA Handout via AP)

European ‘star survey’ reveals celestial treasure trove