Twenty-four years ago, Swiss astronomers Michel Mayor and Didier Queloz discovered the first planet orbiting a sun-like star outside our solar system—a milestone recognised by this year’s Nobel prize in physics. Today we know of thousands more ‘exoplanets,” and researchers are now trying to understand when and how they form.
Source:
https://phys.org/news/2019-11-zeroing-baby-exoplanets-reveal.html