A second planet may orbit Proxima Centauri
The star closest to the sun appears to host another world much colder than Earth
![Proxima Centauri illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/01/011420_cc_proximaplanet_feat.jpg?fit=1028%2C579&ssl=1)
The star Proxima Centauri (illustrated) may host two planets — one confirmed, possibly habitable world (left), and another newly discovered potential planet (right) more massive than Earth.
Lorenzo Santinelli