星系壁纸
by ESA/Herschel/PACS/SPIRE/J. Fritz, U. Gent; X-ray: ESA/XMM Newton/EPIC/W. Pietsch, MPE
NASA Image Library · 公有领域（Public Domain）
关于这张图
This mosaic of the Andromeda spiral galaxy highlights explosive stars in its interior, and cooler, dusty stars forming in its many rings. This is a combination of observations from the Herschel Space Observatory and the XMM-Newton telescope.
