星河璀璨，宇宙无垠，梦回星空。亚洲a视频

　　NASA’s next-generation space telescope TESS (Exoplanet Survey Satellite) has begun its search for Earth-like planets belonging to other star systems. How many of these ‘exoplanets’ can host life, and what kind of lifeforms can evolve in these environments? 　　Produced by NHK.