Our sun's undiscovered stellar nemesis is still out there, says physicist - Phys.org
science 2026/11/09 20:20:11

Our sun's undiscovered stellar nemesis is still out there, says physicist - Phys.org

Source:Phys.Org
Author:None

Long-period, high-inclination comets of the sort that can cause extinction-level impacts here on Earth have long been thought to originate from a theoretical Oort cloud. That is, a roughly spherical cloud of icy cometary objects that number in the trillions a…