The ESA’s Gaia mission mapped the positions and velocities of stars with extreme precision by measuring about one billion stars multiple times. It created a massive 3D map of the Milky Way that will pay scientific dividends for years to come. Gaia is based on astrometry, the study of the positions and movements of celestial …
The ESA’s Gaia mission mapped the positions and velocities of stars with extreme precision by measuring about one billion stars multiple times. It created a massive 3D map of the Milky Way that will pay scientific dividends for years to come. Gaia is based on astrometry, the study of the positions and movements of celestial …
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