璀璨星河：宇宙天象的神秘与美丽交响梦精记2完整版在线

　　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.