The Snake Nebula, silhouetted against ancient stars massed near the nucleus of our galaxy, which is about 25, 000 light years away.
蛇形星云,它的轮廓与聚集在我们星系中心的古老恒星逆向,约25,000光年远。
A classic dark nebula, the Snake is a tendril of interstellar gas and dust about 650 light years away.
在经典黑暗星云中,蛇是星际气体和尘埃组成的卷须,长约650光年。
Researchers have found fossils of the biggest known snake in the world, a discovery that could shed light on the climate of the tropics in the past.
探索者已经发现了迄今为止世界上最大的蛇化石,证明了这里以前是热带气候。
应用推荐