Europe’s space agency retires Gaia, the cartographer of the cosmos: Its mission & significance
Gaia has transformed the way the Milky Way galaxy is viewed. Its data allowed scientists to recreate not just a 3D map of the ...
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A Star’s Tiny Wobble Just Revealed a Massive Planet That Shouldn’t Exist
Artist’s illustration. Gaia detected this candidate exoplanet, named Gaia-4b, with astrometry. Now, follow-up spectroscopy has confirmed its existence. It’s about twelve times more massive than ...