保护地球，探索宇宙，发现文明
A starfield is shown with a unusual textured nebula in the center colored in brown with blue trimmings. Diffuse red nebula appear around the edges. In the center is an opaque brown object. Please see the explanation for more detailed information.
星空中央有一个质地不寻常的星云，呈棕色，蓝色镶边。边缘出现弥漫的红色星云。中央是一个不透明的棕色天体。有关更多详细信息，请参阅说明。
2023年9月4日 Cygnus: Bubble and Crescent Credit & Copyright: Abdullah Al-Harbi Explanation: As stars die, they create clouds. Two stellar death clouds of gas and dust can be found toward the high-flying constellation of the Swan (Cygnus) as they drift through rich star fields in the plane of our Milky Way Galaxy. Caught here within the telescopic field of ...