Messier 51: Difference between revisions

(Created page with "The Whirlpool Galaxy (also known as Messier 51a, M51a, or NGC 5194) is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus in the constellation ...")
 
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[[Category: Ascension]]
[[Category: Ascension]]
[[Category: HGS Manual]]