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Luminous beings, creatures with their own internal light, enchant and astonish us. Anyone who has seen a firefly or a glow-worm cannot help but fall under their spell. The sea at night sparkles as millions of luminous plankton reveal the shapes of dolphins in a truly magical light show. But why do animals produce living light? For centuries we could only marvel at the beauty an...。修仙界的一朵奇葩，全师门修仙飞升，连狗都得道修仙，唯独二师兄还是个凡人！【每周五、六10:00更新】可是二师兄怎么这么强，这位凡人背负的使命慢慢揭开。天命之交，一剑溟魂灭换一世殇聚首，宿命的纹路，早就藏在命运的指引之中。。历史频道史诗级巨献-宇宙系列第二部.带您领略广阔领域的天文知识.探寻未知边缘.太阳,黑洞,银河,星座...应有尽有. 本季共分为18集- 1-Alien Planets-外地行星. 2-Cosmic Holes-宇宙中的洞. 3-Mysteries of the Moon-月亮的秘密. 4-The Milky Way-银河. 5-Alien Moons-外地卫星. 6-Dark Matter-暗物质. 7-Astrobiology-天体生物学. 8-Space Travel-穿梭空间之旅. 9-Supernovas-超新星. 10-Constellations-星座. 11-Unexplained Mysteries-未解之谜. 12-Cosmic Collisions-宇宙碰撞. 13-Colonizing Space-空间殖民地. 14-Nebu...。