Astronomers have long relied on two main methods to detect exoplanets—the transit method, which looks for dips in a star’s ...
The ESA’s Gaia mission mapped the positions and velocities of stars with extreme precision by measuring about one billion ...
The Gaia telescope aimed to create an accurate and detailed 3D map of billions of stars in our galaxy. Its findings have flipped astronomers' understanding of the Milky Way on its head and have led to ...