A dark brown cloud that appears similar to a shark is seen against a background filled with stars and less prominent blue-shaded nebulas. Please see the explanation for more detailed information.
在布满恒星和不太明显的蓝色阴影星云的背景上，可以看到一团深褐色的云，看上去像鲨鱼。有关更多详细信息，请参阅说明。
2023年6月14日 The Shark Nebula Image Credit & Copyright: Stephen Kennedy Explanation: There is no sea on Earth large enough to contain the Shark nebula. This predator apparition poses us no danger as it is composed only of interstellar gas and dust. Dark dust like that featured here is somewhat like cigarette smoke and created in the cool atmospheres of giant stars. After being expelled with gas and gravitationally recondensing, massive stars may carve intricate structures into their birth cloud using their high energy light and fast stellar winds as sculpting tools. The heat they generate evaporates the murky molecular cloud as well as causing ambient hydrogen gas to disperse and glow red. During disintegration, we humans can enjoy imagining these great clouds as common icons,…
