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? 影视剧网提供“宇宙天象”在线观看及宇宙天象剧情,宇宙天象海报。