`messier-51a` Related Article Results

The Whirlpool Galaxy (Whirlpool Galaxy), also known as Messier 51a (M51a), is a distinctly structured spiral galaxy. Although it resembles the Milky Way in structure, it is one of the few external galaxies that can be observed relatively easily and whose structural features can be clearly distinguished. Location of Messier 51. (NASA) " image-element-format="justify" image-source="https://cdn.t3pedia.org/media/uploads/2025/07/09/6falsmnAPG8pfLfLVsOUubjA27ZuqNj2.webp"> First observed in 1773 by