This 3D map of our galaxy was created from a new table published by the European Telescope. Injected into orbit about ten years ago, it sometimes records the position of stars billions of years old and their chemical composition.
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This is the most complete and accurate map of our galaxy.
It took scientists many years to implement this Recorded data Via Gaya from its observatory, located 1.5 million kilometers from Earth. The satellite also made it possible for the first time to study the chemical composition of millions of stars, explains Alexandra Recio-Blanco, astronomer at the C டிte d’Azur Laboratory: “Looking at the chemical composition of stars, we can speculate that there are very old stars, like their DNA, that tell us about very ancient times. We also have witnesses to the recent history of the galaxy, which is a few hundred million years old.”
Read: Innovations of the 3rd Dataset @ESAGaiaLarge list of binary stars, thousands of objects in the solar system (planets, moons) and millions of galaxies & quasars beyond the Milky Way. https://t.co/W58mPX9tbY # GaiaDR3 pic.twitter.com/PbLh2ygfJC
– ESA France (@ESA_fr) June 13, 2022
The European satellite also enriches the list of other celestial objects in our galaxy, such as asteroids and all the markers of Milky Way history. It is not over, the satellite will collect data until 2025.
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