The CosmoQuest blog hosts the latest Carnival of Space.

The Whirlpool Galaxy, M51. Credit: X-ray: NASA/CXC/Wesleyan Univ./R.Kilgard, et al; Optical: NASA/STScI

BTW: This terrific short video shows how the different wavelengths of light illuminate different aspects of the Whirlpool Galaxy’s structure and components:

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Galaxy Girls: 50 Amazing Stories of Women in Space.