了解宇宙是如何运行的第七季

　　S7, Ep1　　8 Jan. 2019 Nightmares of Neutron Stars　　Neutron stars are strange and violent phenomena that defy the laws of physics, and new discoveries reveal that these bizarre nightmares are far more deadly than previously believed, with the power to destroy planets and even other stars.　　　　When Supernovas Strike S7, Ep2　　15 Jan. 2019 When Supernovas Strike　　Supernovas are the violent death of giant stars, and new discoveries reveal that these cataclysmic events create the elements that are ess