tulip nebula

A picture of a starfield with red emission nebulae is shown. Toward the right is a point of light that is Cygnus X-1, a nearby black hole. Above the black hole is a blue-shaded bow shock wave in the surrounding gas. Please see the explanation for more detailed information.
图中显示的是带有红色发射星云的星场。右边的光点是天鹅座X-1，一个附近的黑洞。黑洞上方是周围气体中暗淡泛蓝弓形激波前沿。有关更多更详细信息，请参阅说明。